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【单选题】
气焊时常用气体是( )A.
二氧化碳
B.
氩气
C.
氧气
D.
空气
E.
:C
F.
:单选题
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举一反三
【单选题】I don’t like ____ bills but when I do get them I like ____ them promptly. (1992-60)
A.
to get, paying
B.
getting, to pay
C.
to get, to pay
D.
getting, paying
【单选题】I don’t like bills but when I do get them I like them promptly. A. to get , paying B. getting , to pay C. to get , to pay D. getting , paying
A.
B.
C.
D.
D
【单选题】I don’t like ____ bills but when I do get them I like ____ them promptly.
A.
to get, paying
B.
getting, to pay
C.
to get, to pay
D.
getting, paying
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