Question

【题目】— what are they doing?
— They areMary's bag. She left it on the playground just now, but now she can't find it.

A.looking at
B.looking for
C.looking after
D.looking up

Answer 1

【答案】B
【解析】句意：他们在做什么？他们在……玛丽的书包。她刚才把它忘在操场上了，但现在她找不到了。根据后文she can't find it.可知他们在寻找玛丽的书包，looking for寻找，故选B。