（一）非谓语动词
1.The grey building is where the workers live,and the white one is where the spare parts_____.
a.are producing
b.are produced
c.produced
d.being produced
2.Homework____on time will lead to better grades.
a.done
b.be done
c.having done
d.to have been done
3.It is not unusual for workers in that region____.
a.to be paid more than a month late
b.to be paid later than more a month
c.to pay later than a month more
d.to pay late more than a month
4.The speech ______ ，a lively discussion started.
A) Being delivered
B) was delivered
G) be delivered
D) having been delivered
5. ______ for my illness, I would have lent him a helping hand.
A) Not being.
B) Had it not been
C) Without being
D) Not having been
6. ______ a teacher in a university, it is necessary to have at least a master’s degree.
A) To become
B) Become
C) One becomes
D) On becoming
1.b
and 连接的两个分句应该有一致的结构，主语是备用零件是produce的接受者，所以选被动语态。
2.a
分词做定语修饰homework，homework是接受者，所以用过去分词表示被动。
3.a
本题测试不定式的被动语态，工资是被发，是动作的承受者，所以用被动语态。b的语序不正确。
4.d
这句是分词独立主格结构，speech是动作的承受者，所以要被动，并且发生在主句之前。
5.b
这句是虚拟语气的否定倒装形式。
6.a
不定式做目的状语。
