Only after__________requests by the tenants did the super-intendant -考呗网

单选题 Only after__________requests by the tenants did the super-intendant do something about the broken intercoms in some of the apartments.

A．repeat
B．repeated
C．repeating
D．repetition

横线处所填单词修饰名词requests。过去分词repeated和现在分词requirements都可作形容词。被修饰的名词和分词之间如果是被动关系，就用过去分词，如果是主动关系就用现在分词，request和repeat是被动关系，故选B。

1 A rain shower__________by cold winds is expected to reach our region by this evening.

A．accompany
B．accompanied
C．accompanying
D．will accompany

2 The special deal offered by our supplier will last only for a __________ time.

A．limited
B．minor
C．partial
D．lower

3 __________ something drastic happens before midnight, the postal workers will most likely walk out on their jobs.

A．Also
B．Except
C．Unless
D．Therefore