Question

【题目】Tom is ________ his pen, but he can't ________ it. Let's help him.
A.find; look for
B.looking for; find
C.look for; find
D.finding; look for

Answer 1

【答案】B
【解析】句意：Tom在找他的钢笔，但是他找不到，我们帮他吧。look for寻找，强调动作；find找到，指结果。根据is可知是现在进行时，故填looking for；can是情态动词，后跟动词原形，故选B。