If nothing ______, the oceans will turn into fish deserts.
A.is done B.has done C.will be done D.does
-Ken, can I get you anything to drink?
-______.
A.You are welcome B.No problem
C.I wouldn’t mind a coffee D.Doesn’t matter
There is no light in Smith’s room. Therefore, he ________ be at home.
A.wouldn’t B.mustn’t C.shouldn’t D.can’t
These two horses look so much alike that we can not ______one from the other.
A.recognize B.distinguish C.separate D.differ
The number of people, who have access to their own cars, ______ sharply in the past decade.
A.rose B.is rising C.have risen D.has risen
The theme of the painting is too ______ for the audience to understand.
A.abstract B.realistic C.truly D.clearly
