There might be life on other planets, but so far scientists haven’t found enough _____ to prove it.

Mr Wang, I’m afraid I can’t finish this task by myself.—Don’t worry. Two more helpers _______ soon.

. He _____ the place where he had beenbitten by an insect.

Are Jim and Bob playing outside—-_______.They are doing their homework in thestudy.

The coat made of this kind of cloth _____ well. I think it is worthy _______. [ ]