________ more attention, the trees could have grown better．

A．Having being given

B．Being given

C．Having given

D．Given

________ parents say and do has a life-long effect on their children．

A．That

B．Which

C．What

D．As

People try to avoid public transportation delays by using their own cars, and this ________ creats further problems．

A．in short

B．in case

C．in doubt

D．in turn

His plan was such a good one ________ we all agreed to accept it．

A．as

B．that

C．so

D．and

－________ leave at the end of this month．

－I don’t think you should do that until ________ another job．

A．I’m going to; you’d found

B．I’m going to; you’ve found

C．I’ll; you’ll find

D．I’ll; you’d find

________ with the size of the whole earth, the biggest ocean does not seem big at all．

A．Compare

B．When comparing

C．Comparing

D．When compared

It was ________ back home after the experiment．

A．not until midnight did he go

B．until midnight that he didn’t go

C．not until midnight that he went

D．until midnight when he didn’t go

________ is reported in the newspapers, talks between the two countries are making progress．

A．It

B．As

C．That

D．What

－I’ve got your invitation．

－Oh, good．________

A．Can you come?

B．Thanks a lot．

C．I’ll take it．

D．May I help you?

________ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home．

A．To wait

B．Have waited

C．Having waited

D．To have waited