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【单选题】
My mother was looking while I the radio．
A.
listened to
B.
have listened
C.
was listening to
D.
is listening to
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】He used to _____being alone, but now he has grown up. [ ]
A.
be afraid of
B.
afraid of
C.
be afraid to
【单选题】—Ihearwe'llhaveanewphysicsteacherthisterm.—Really?Doyouknow______?[ ]
A.
wherehecomesfrom
B.
whatsubjectheteaches
C.
ifheisachemistryteacher
D.
thatheisaphysicsteacher
【单选题】——______ will he visit his friend?—in a month.[ ]
A.
How long
B.
How
C.
How soon
D.
How often