问题
Why didn’t you go to yesterday’smeeting—I would have but I ______ too busyworking on the important experiment.
A:had been
B:was
C:were
D:am
B:was
C:were
D:am
正确答案是：
同类题型
ler saved 1,200 Jews from death，so he is a real hero______thepeople who love peace．
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