问题
still at the airport If it weren’tfor the delayed flight, we_____theconcert right now
A:need havedone
B:must havedone
C:can have done
D:might havedone
B:must havedone
C:can have done
D:might havedone
正确答案是：
同类题型
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Some of you may have finished Unit One.________，you can go on to Unit Two.
_______ no one agreed with him, ______ he insisted on learning play the piano.