WHO officials say opening a window (a)   (let) out the harmful air will not correct the situation.

Different from spoken language, body language is not always (a)   (implicit).

Time (a)   (permit), I'll go to see my friends tommorrow.

(a)   (give) more attention, the tree could have grown better.

I don't enjoy (a)   (make) fun of by others.

He was so lazy that he had all of his washing (a)   (do).

He stood there with his eyes (a)   (fix) on his mother.

The man (a)   (call) himself Timothy used to live here.

Mr. Li is said (a)   (study) abroad, but I don't know which country he is studying in.

I insist on your (a)   (give) me my money back right now.

He opened his mouth as if (a)   (say) something.

They were supposed to (a)   (finish) at least half of the work, but they didn't.