I have got _____ work to do on a ______ cold day.         

What has he been doing _________? I haven’t seen him much recently.

Drunk driving used to occur _______, but now it is under control.  

Trees are good for human being. We can’t plant them __________ many.

--- I __________ agree with what he said. Actually I feel what he said is much to the point and makes good sense.
--- Yes, I think so.

—Mom，dad is smoking again!
—Well，let him cut it ________ gradually since old habits die hard.

—Each boy and each girl     talking about optional courses（选修课）.
—Yes! And the each     their favorite one!

（2010·宝鸡模拟） After watching the movie Avadar, Mary lay in bed with her eyes_______ open while all her family were_______asleep.

We hope to finish our experiment________.

You can’t get___________with being late every morning.