1、【题目】Chairperson Xi calls on us to do what we can_______ as much as possible.

选项：

A.save

B.tosave

C.saved

D.saving

答案：

B

解析：

暂无解析

1、【题目】-Could you tell me_______?

-Until tomorrow afternoon.

选项：

A.howlongyouwillstaythere

B.howsoonyouwillstaythere

C.whenwillyoustaythere

D.howoftenwillyoustaythere

答案：

A

解析：

暂无解析

1、【题目】Do you know ________?

选项：

A.whattimedoeshehavelunch

B.whattimehehaslunch

C.whattimewillhehavelunch

D.whattimehashehadlunch

答案：

B

解析：

暂无解析

1、【题目】-This kind of sports is exciting.

-Yes, but it's dangerous. One can't do it_______ he or she has got some training.

选项：

A.if

B.after

C.when

D.unless

答案：

D

解析：

暂无解析

1、【题目】Throughout_______ history, English language has gone through many changes.

选项：

A./;/

B.the;the

C.the;an

D./;the

答案：

D

解析：

暂无解析

1、【题目】-Couldyoutellme_______?

-Untiltomorrowafternoon.

选项：

A.howlongyouwillstaythere

B.howsoonyouwillstaythere

C.whenwillyoustaythere

D.howoftenwillyoustaythere

答案：

解析：