Question

1.  ―How much_________ the T-shirt and the bag? ]

 ―________ 46 dollars. 

A. is; It's                 B. is; They are

C. are; They are             D. are; They do

Answer 1

   1. C考査主谓一致。因为主语是the T-shirt and the bag，由and连接的两个并列成分表示两个不同的概念，所以be动词用are，代词用they。