问题
选择题
—Hi, guys. Where are you heading now?
—Home. We _________all our money, so we have to walk home now.
A．spend
B．spent
C．have spent
D．are spending
答案
C
动词的时态。根据答语句意“我们已经花光我们所有的钱”可知此句用现在完成时态，故选C。
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