Don’t ________ your exams. They are very easy.
A. worry B. worried about C. worry about D. be worried
---Do you think people can live on the moon one day?
---May be. However, it may take ________ years to make it.
A. thousand of B. thousand
C. thousands of D.two thousand of
Ask your brother to call me if he ______ back tomorrow.
A.will come B. is come C. coming D. Comes
--Would you please tell me________this DV?
--Yes.It’s very easy.
A.where to use B. how to use
C. when to use D. what to use
Jack’s mother wondered_________.
A.how much he cost the computer
B.how much he paid for the computer
C.how much the computer will cost him
D. how much did he spend on the computer
The mountain was ________ high _________few people in our city reached the top.
A.so;as B. so;that C. as;as D. too;to
