语法练习

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

答案详解

1.[B]【解析】考查独立主格。分词前有自己的逻辑上的主语，构成独立主格，表示原因、条件或伴随状况等。句意：我们被迫放弃爬山，因为山太陡了。

2.[C]【解析】考查情态动词后的完成形式。表达对过去发生事情的推测应用“must have done”结构，其否定形式为“couldn't have done”。句意：玛丽肯定没有收到我的信，要不然她早该给我回信了。

3.[B]【解析】考查倒装句。句意：我的老师曾经多次给我很好的建议。

4.[B]【解析】考查不规则名词复数形式。标准的单数形式为criterion，复数形式criteria。句意：你们在艺术竞赛中选拔冠军的标准是什么？

5.[C]【解析】考查动词与介词的搭配。get（sth.）across(to sb.)意为“使……被理解”。句意：迈克发现很难让美国听众理解他讲的英国笑话。