Even if your suggestions are ，at least you have tried yourbest．

Thanks a lot for the trouble you ______ tohelp us.

_____ they believe enjoying a sports team is a good way ______ new friends, I would like to attend community activities to widen my social circle.

Could you tell me________.—Quite well, thank you.

Children who are________to computer games will waste a lot of time playing them on the Internet.[ ]