This machine is very easy ________. Anybody can learn to use it in a few minutes.
| A．operating | B．to be operating |
| C．operated | D．to operate |
He woke up and found himself ______ on the sofa, with a blanket over him.
| A．laid | B．lying | C．to lie | D．lain |
The last time I _______ Jack, he _______ football with classmates.
| A．had seen; was playing | B．saw; played |
| C．had seen; playing | D．saw; was playing |
．—Did you have trouble with your car this morning?
— Yes, but I finally managed _______.
| A．to get it started | B．to get it start |
| C．get it starting | D．getting it started |
—Growing population resulted in growing rubbish.
—There is ______that rubbish will become the major threat to human beings in future.
| A．hope | B．afraid | C．possibility | D．likely |
She will have to find some other work for she can’t ________ this loud noise any more.
| A．come up with | B．keep up with | C．grow up with | D．put up with |