If you _____ smoke, please go outside because this is a non-smoking office.
A. must B. should C. can D. may
––Who would you rather _____ your graduation ceremony tomorrow, your parents or friends?
––All of them.
A. will have attended B. have attended C. attended D. to attend
In that school, English is compulsory for all students, but French and Russia are ____ .
A. special B. optional C. regional D. original
––Why didn’t you come to the party?
––I had meant _____, but something unexpected happened.
A. so B. that C. not D. to
We should discuss the plan _____ before we work it out.
A. in general B. in detail C. on time D. on purpose
Mom used only half of the money, the rest of which ______ saved for other purposes.
A. is B. are C. was D. were
