1.Who were the shoes with adjustable heels invented __________?
A.with B.of C.for D.by
2.I believe that those mountains____with trees in a few years time.
A.are covered B.will be covered C.are covering D.will cover
3.—Did you go to Jack’s birthday party? —No, I________.
A.am not invited B.wasn’t invited C.haven’t invited D.didn’t invite
4.Oh, the milk_______strange. Do you think it’s OK to drink?
A. was tasted B.tasted C.is tasting D.tastes
5.The accident happened_______a cold winter morning.
A.in B.on C.at D.of
