You may _____he will come here to give us a hand. [ ]

the Internet is of great help,I don’t think it’s a good idea to spend too much time on it

try to understand ____ that prevents so manyAmericans from being as happy as one might expect, it seems to me that thereare two causes.

He came to my lecture every week, but his look___that he was not really interested. [ ]

Tom, supper is ready.—-I don’t want to eat____________ ,Mum. I’m notfeeling well.