Question

【题目】—Look! A set of keys ________ in the box.

—Yes, some cards ________ in it, too.

A. are; are B. is; are C. are; is D. is, is

Answer 1

【答案】B

【解析】

句意：——看！盒子里有一串钥匙。——是的，一些卡片也在里面。考查系动词辨析题。a set of keys一串钥匙，强调a set，是单数第三人称，系词需用is；some cards是复数人称，系词需用are。根据句意语境，可知选B。