Kate has gone to the library. I wonder_ _ _

A, when she will come back

B. when she came back

C. when will she come back

I'll spend as much time as I can _ in an old people's home.

A.help B.to help C.helping

Choose the best topic from A to F according to the meaning of each paragraph.

1.Latin music is very common in countries where people speak Spanish or Portuguese. This music comes from Mexico, the Caribbean, Central America, and South America.

2.Latin music is a mixture of European music and African music. It has a strong beat. Many years ago, people played Latin music mostly on guitars with drums, but now whole orchestras with lots of other instruments play it.

3.People play Latin music at home or when they visit their friends. Sometimes fans play cards in the afternoon or at night on weekends or holidays while they listen to Latin music. Some people bring guitars and play them when they sing. They listen to the music while they eat.

4.People who dance enjoy Latin music because it is easy to dance to. The beat is very strong. Dancers can move their whole bodies. They can dance on their own or with someone.

5.Other people enjoy listening to Latin music. Usually the words are in Spanish or Portuguese, but sometimes they are in English or another language. Many Latin songs have beautiful words, but if a person doesn't understand them, it's not important. A person can still enjoy the music. The sound is international.

Can dolphins talk ? They can’t talk with words, but they talk with sounds. They show their feelings with sounds.

Dolphinp travel in a group. We call a group of fish a“school”. They don't study, but they travel together Dolphins are mammals, not fish, but they swim together in a school.

Dolphins talk to the other dolphins in the school. They give information. They tell when they are happy or sad or afraid .They say “Welcome” when a dolphin comes back to the school. They talk when they play.

They make a few sounds above water They make many more sounds under water. People cannot hear these sounds because the sounds are very, very high. Scientists make tapes of the sounds and study them.

Sometimes people catch dolphins for a large aquarium. People can watch the dolplains in a show Dolphins don't like to be away from their school in an aquarium. They are sad.

There are many stories about dolphins. They help people. Sometimes they save somebody’s life. Dolphin meat is good, but people don't like to kill them. They say that dolphins bring good luck. Many people believe this.

Answer the following questions according to what you read.

1.Can dolphins talk with words?

2.What do we call a group of fish?

3.When do they say “Welcome” ?

4.Do they make more sounds above water or under water?

5.In fact, do dolphins really bring good luck? Why?

--Eric, is this your umbrella?

--No, it's not ____. It's Tom's.

A.my B.mine C.his

Mudanjiang government is going to plant ___ trees around the city to make it greener and more beautiful.

A.thousand B.thousands of C.three thousand of

—How soon can you finish the work?

---With the help of the machine, two weeks ______ enough for me.

A.is B.are C.was

--Sam, come downstairs, please. I need your help.

--Sorry, Mum. I _____ on the phone.

A.talked B. am talking C.was talking.

We are making plans ______ gifts to sick children in the hospital and raise money for homeless people.

A.to hand out B.hand out C.handing out

When you see the sign _____ in public, you must keep quiet.