问题
选择题
They had no sooner arrived at the airport it was time to check in.
A．when
B．before
C．than
D．though
答案
答案：C
考查句型：no sooner … than，hardly … when, 一……就，所以选C。
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They had no sooner arrived at the airport it was time to check in.
A．when
B．before
C．than
D．though
答案：C
考查句型：no sooner … than，hardly … when, 一……就，所以选C。