At that time, what I hoped to do was ________ to school.

A. to go                  B. go                             C. gone                        D. going

______ to take time to relax, there is always someone telling us things we should be doing.

A. When trying           B. To try                       C. When we try             D. Trying

It is a good thing to study abroad, but it remains ___ whether you can really learn something useful.

A. to be seen           B. to see                           C. seen                D. seeing

It really puzzles me that sometimes my parents encourage me ________some friends and discourage me _________ with others.

A. staying with; to go          B. to stay with; from going 

C. staying with; from going      D. to stay with; to go

We hadn’t expected ________ so many people present at the meeting.

A.there being   B.there to being   C.there is   D.there to be 

— I must apologize for ____ ahead of time.

— That’s all right.

A. letting you not know           B. not letting you know

C. letting you know not             D. letting not you know

Hearing the bell, he rushed out of the classroom,__________ (leave )his book open on the desk.

____________(not see)the film, I am afraid I can’t say anything about it.

The flood may spell disaster for people in this area if ___________(leave)unsolved.

Don’t tell me you always escape _________( fine) because you have a fast sports car.