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考査主謂一致。因為主語是the T-shirt and the bag，由and連接的兩個并列成分表示兩個不同的概念，所以be動詞用are，代詞用they。