问题
选择题
Hard _____ he tried, he failed to catch up with the first runner.
A．although
B．as
C．while
D．when
答案
答案：B
考查连词。本题考查倒装结构：adj. + as +主语 + 谓语，表示尽管……,故选B。
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Hard _____ he tried, he failed to catch up with the first runner.
A．although
B．as
C．while
D．when
答案：B
考查连词。本题考查倒装结构：adj. + as +主语 + 谓语，表示尽管……,故选B。