______ of the people here live on rice，and the people there live _______ on noodles．

A. Mostly；most B. Most；mostly

C. Mostly；mostly D. Most； most

They are _______ little sheep that we can’t make much money by selling _______.

A. so， it B. such， it C. so， them D. such； them

The man is very ill and he has _______.

A. operate on B. to be operated on

C. to operate D. being operated on

--- Can a plane fly _______ the Atlantic Ocean(大西洋)?

---Yes， but it needs to go _______ the clouds for hours.

A. across， through B. through， across

C. across， across D. through， through

---What do you think of the environment in our city?

--- I am sure it _________ greatly through our work in the near future.

A. improved B. was improved

C. has improved D. will be improved

I _____ the book for two weeks. I must return it to the school library.

A. borrow B. have borrowed

C. kept D. have kept

---You never have sweet snacks， do you?

---________. Though I know they’re bad for our health.

A. Yes B. No C. Yes， I don’t D. No， I do

---Could you please come to the museum with me this afternoon?

---Sorry， I ______ . I have to take a piano lesson at 2 pm.

A.couldn’t B. mustn’t

C. can’t D. needn’t

Excuse me. I _________ I was in your way.

A. didn't realize B. don't realize

C. haven't realized D. wasn't realizing

---Would you like me to help you with the homework?

---______________ . But I can manage it myself.

A. It doesn’t matter B. The same to you

C. It’s very kind of you. D. Take it easy