Vocabulary and Structure
16、 You__________me, because I didn't say that.
A．must have misunderstood
B．must misunderstand
C．must be misunderstood
D．had to misunderstand


17、 During July and August there was no rain for weeks__________
A．by the end
B．in the end
C．at the end
D．on end


18、 __________most of the earth's surface is covered by water, fresh water is very rare and precious．
A．As
B．Once
C．If
D．Although


19、 The paint is still wet. __________!
A．Be not sure to touch it
B．Be sure not to touch it
C．Be sure to not touch it
D．Don't be sure to touch it


20、 John suggested __________ anything about it until they found out more facts．
A．not to say
B．not say
C．to say not
D．not saying


21、 I like this song __________your opinion．
A．in spite
B．despite of
C．regardless of
D．likewise


22、 The business of doctors is to prevent and__________ disease．
A．kill
B．cure
C．wound
D．injure


23、 He demanded that the problem __________at once．
A．would be solved
B．is to be solved
C．is solved
D．be solved


24、 I can hardly imagine Peter __________across the Atlantic Ocean in 15 days．
A．sail
B．to sail
C．sailing
D．to have sailed


25、 Although we hadn't met for 20 years, I recognized him__________ I saw him．
A．the moment
B．that moment
C．by the moment
D．for the moment