单项选择题


A．At last
B．At first
C．At times
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单项选择题
______ he failed in the maths exam again, ______he never gave up.
A．Although, but
B．Because, /
C．Although, /
单项选择题
— Can I help you — Yes. I bought this computer here yesterday, but it ______now.
A．didn't work
B．won't work
C．doesn't work
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