17.-There is ________ orange backpack on the floor.Whose is it?
-Oh,it's ________.Thank you.( )
-Oh,it's ________.Thank you.( )
| A. | a; mine | B. | an; mine | C. | an; my | D. | an; me |
16.It tastes so nice,_______?( )
| A. | doesn't it | B. | does it | C. | isn't it | D. | is it |
15.I never expected to win the prize,_____there were so many good students in our class.( )
| A. | And | B. | So | C. | but | D. | As |
13.We were swimming in the river _______ the storm started.( )
| A. | when | B. | while | C. | until | D. | before |
12.________ exercising,and you'll be healthier.( )
| A. | keep | B. | To keep | C. | keeping | D. | keeps |
11.We didn't catch the first bus _______getting up late yesterday.( )
| A. | because | B. | so | C. | because of | D. | why |
10.Teachers told us not to spend ______ time on computer games.( )
| A. | too many | B. | too much | C. | much too | D. | many too |
8.Nowadays it is to shop online.( )
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| A. | popular | B. | proud | C. | proper |