After careful research, it was decided that the spaceship should reenter the Earth’s________.

A. surface                     B. air                           C. environment             D. atmosphere

The old man got into the _____ of storing money under the bed.

   A. tradition    B. habit    C. use    D. custom

Even if they are on sale, these refrigerators are equal in price to, if not more expensive than, _____ at the other store.

A. anyone    B. the others    C. that    D. the ones

He was afraid that the branch might bend over and break, and he would be sent _____ to the ground.

   A. crashing    B. throwing    C. rushing    D. dropping

My brother likes eating very much but he isn't very _____ about the food he eats.

   A. special    B. peculiar    C. particular    D. unusual

He is a very honest official and never _____ any gifts from the people who sought his help.

   A. accepted    B. received    C. carried    D. excepted

We cannot figure out ____quite a number of insects, birds, and animals are dying out.

A.     that  B. as  C. why  D. when

4 . ______at in this way, the present situation about birds flue doesn’t seem so disappointing.

  A. Looking           B. Looked

  C. Having looked     D. To look

5. The theory he had stuck _______ to be true.

 A. proved  B. to proving  C. to prove  D. to proved

5. Help has already come from them, but the aid is ____ near what we expected.

A. everywhere            B. somewhere       

C. anywhere               D. nowhere