皮皮学，免费搜题
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【单选题】
关税及贸易总协定，简称“关贸总协定”，由（ ）个国家一起签订。A.
20
B.
21
C.
22
D.
23
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皮皮学刷刷变学霸
举一反三
【单选题】What led to the recession in the first place according to the administration and its defenders?
A.
The Republican policies in the past.
B.
The President's reliance on the economic ditch.
C.
The change of a different course.
D.
The constant refrain.
【单选题】The first place the renters should resort to is the weekend newspapers and estate agents.
A.
Y
B.
N
C.
NG
【单选题】It was reported in the newspaper that one of our students got the first place in the last Provincial Chemistry Olympic Contest in June．
A.
having been held
B.
to be held
C.
being held
D.
held
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