please ______ your exam papers once again before handing them in.
A.going over B.went over
C. go over D. to go over
______ important it is for kids to imagine freely !
A.what B.what a C.what an D. how
–Mum, ______ I visit the Movie Museum tomorrow?
--I’m afraid you can’t . It is closed on Monday .
A. must B. may C.should D.need
Martin was so busy ______ the old that he gave up his part-time job.
A.helping B.helped C.to help D. help
My friend invited me ______ the art club , and I accepted it with pleasure.
A. join B. to join C. joined D. joining
Over $30,000 ______ for a children’s hospital by a British girl several months ago.
A.is raised B. was raised
C.will be raised D. has been raised