What we used to think ______ impossible now does seem possible.

A. is                 B. was                  C. has been        D. will be

 Either you or one of your students ______ to attend the meeting that is due tomorrow. A. are   B. is   C. have                  D. be

 In our school, many a boy ____ playing football and more girls than one ____ playing it.

A. likes; likes       B. like; like           C. like; likes     D. likes; like

 It is I _________ my parents who__________ to blame for the accident.

A. other than; are                            B. rather than; am

C. more than; are                             D. than; is

 A poet and artist coming to speak to us about Chinese literature and paintings tomorrow afternoon.

A. is                 B. are                  C. was             D. were

 —Mike, what did our monitor say just now?

—Every boy and every girl as well as teachers who      to visit the museum asked to be at the school gate before 6:30 in the morning.

A. is; is             B. are; is              C. is; are         D. are; are

 Tom as well as two of his friends ________ to the concert last night

A. has been invited                           B. had been invited 

C. were invited                               D. was invited

 A variety of books  _____________ the children of different ages.

A. are interested in                          B. is interested in

C. are intending for                          D. is intending for

 This special strain of rice ___________ one-third more of the crop in the same field.

A. makes possible to produce                  B. makes it possible to produce

C. make possible producing                    D. make it possible producing

 The rich_____ not always happy. .   

A. is                 B. are                  C. has             D. have