Question

--Why did Miss Wang look so worried when we saw her?

--Because she wondered______.

1. A.
   where did the other students go
2. B.
   when would the policeman come
3. C.
   what her students have done during the trip
4. D.
   if her students had survived the earthquake

Answer 1

D
考查宾语从句。宾语从句的考查点有两个：①从句部分用陈述语序；②主句是过去时，从句用相应的过去时态。根据第一点我们排除了本题的A、B项。再根据第二点我们又排除了C项，故选D。