1.We were compelled to dismount, _________ .
A.the hill-side was too steep
B.the hill-side being too steep
C.the hill-side was being too steep
D.for the hill-side being too steep
2.Mary ___ my lette; otherwise she would have replied before now.
A.has received
B.ought to have received
C.couldn't have received
D.shouldn't have received
3.Many a time ___ me good advice.
A.my teacher has given
B.has my teacher given
C.has given my teacher
D.my teacher gave
4.What ___ you used in picking a winnwe in the art contest?
A.is the criteria
B.are the criteria
C.are the criterion
D.are the criterias
5.Michael found it difficult to get his British jokes ___ to American audiences.
A.around
B.over
C.across
D.down