Question

I ________ swim when I saw a sign written by the police that meant children under 18 are not allowed to swim without the adults guidance．

1. A.
   was about to
2. B.
   would
3. C.
   was going to
4. D.
   was to

Answer 1

A
本句的主要意思是“正當(dāng)我要游泳時(shí)，我看到了……”。B、C、D三項(xiàng)都表示過(guò)去將來(lái)時(shí)，但A項(xiàng)表示更近的將來(lái)，意思是“正要、即將”，所以選A項(xiàng)。