问题
选择题
.
If we ________ earlier, we would have had trouble getting good seats.
A．didn’t arrive
B．haven’t arrived
C．hadn’t arrived
D．couldn’t arrive
答案
答案：C
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.
If we ________ earlier, we would have had trouble getting good seats.
A．didn’t arrive
B．haven’t arrived
C．hadn’t arrived
D．couldn’t arrive
答案：C