Question

Tom rushed into the house______ his mother was cooking.

A. as               B. before           C. while            D. after

 

Answer 1

【答案】

C

【解析】考查連詞的用法。從句意可以看出rushed into the house與was cooking是同時發生的，故答案選C，意為“當……時候”，引導過去將來時。