1、【题目】One of the responsibilities of the Coast Guard is to make sure that all ships______followtraffic rules in busy harbors.

选项：

A.conveniently

B.obediently

C.sufficiently

D.reluctantly

答案：

B

解析：

暂无解析

1、【题目】Not all birds can fly , ______ do all birds build nests.

选项：

A.not

B.no

C.never

D.nor

答案：

B

解析：

暂无解析

1、【题目】We have to wait for the bus, ______?

选项：

A.havewe

B.haven’twe

C.dowe

D.don’twe

答案：

C

解析：

暂无解析

1、【题目】She was so ______ the noise that she sent the children to bed.

选项：

A.brokendownby

B.filledinwith

C.takenoverby

D.fedupwith

答案：

D

解析：

暂无解析

1、【题目】Notallbirdscanfly,______doallbirdsbuildnests.

选项：

A.not

B.no

C.never

D.nor

答案：

B

解析：

暂无解析

1、【题目】The hosts apologized for ______ that some of their guests might be vegetarians.

选项：

A.havingnotconsidered

B.nothavingconsidered

C.havingnotbeenconsidering

D.notconsidering

答案：

D

解析：

暂无解析