A.It breaks down easily.B.It has an annoying noise while playing.C.It has no bass.D.It
A. It breaks down easily.
B. It has an annoying noise while playing.
C. It has no bass.
D. It can't have surround effects.
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【C4】
A. may
B. must
C. even
D. also
【C3】
A. it
B. they
C. which
D. she
【C16】
A. happy
B. young
C. busy
D. helpful
【C5】
A. offices
B. machines
C. rooms
D. lessons