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【判断题】
中华民国的第一任临时大总统是。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Jack wasn't saying anything,but the teacher smiled at him ___ he had done somethingvery clever. [ ]
A.
as if
B.
in case
C.
while
D.
though
【简答题】分组交换有两种传输方式: 和 。
【单选题】Jack wasn't saying anything, but the teacher smiled at him ________ he had done something very clever.(2011·湖南)
A.
as if
B.
in case
C.
while
D.
though
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