Question

—Hi, guys. Where are you heading now?
—Home. We _________all our money, so we have to walk home now

1. A.
   spend
2. B.
   spent
3. C.
   have spent
4. D.
   are spending

Answer 1

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。