16.After he became conscious,he remembered ________ and _______ on the head with a rod.
A.to attack;hit B.to be attacked;to be hit C.attacking;be hit D.having been attacked;hit
17.I’m terribly sorry that I made your table colth dirty. _________.
A.Never mind B.Don’t mention it C.That’s right D.Sorry
18.There are hundreds of visitors ________ in front the Art Gallery to have a look at Van Gohn’s paintings.
A.waited B.to wait C.waiting D.wait
19.The wild flowers looked like a soft orange blanket ________ the desert.
A.covering B.covered C.cover D.to cover
20.Russ and Earl were auto mechanics ________ the same pay,but Earl had more ambition.
A.to earn B.to have earned C.earning D.earned
21.The parents suggested ________ in the hotel room but their kids were anxious to camp out during the trip.
A.sleep B.to sleep C.sleeping D.having slept
22.I can’t stand _______ with Jane in the same office.She just refuses ________ talking while she works.
A.working;stopping B.to work;stopping C.working;to stop D.to work;to stop