1.The rest of the students ____ still in the library.
A.is
B.are
C.be
D.was
A.is
B.are
C.be
D.was
答案
B
2.—Why do you always sleep ____ the light on?
—Because I'm afraid of the dark.
A.by
B.with
C.let
D.have
—Because I'm afraid of the dark.
A.by
B.with
C.let
D.have
答案
B
3.—You look upset. What's wrong?
—I have trouble ____ English, and I got bad grades again.
A.learned
B.to learn
C.learn
D.learning
—I have trouble ____ English, and I got bad grades again.
A.learned
B.to learn
C.learn
D.learning
答案
D
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