David， ______you please sweep the floor and take out the trash？（ ）
| A． |
Could |
B． |
may |
C． |
might |
D． |
must |
Do you know _____________ girl over there？
-Yes，she likes playing _____________ basketball a lot．（ ）
| A． |
a； the |
B． |
the；/ |
C． |
the； a |
D． |
a；/ |
-________ interesting book it is!
Yes， I like it very much． I have already read it three times．（ ）
| A． |
How |
B． |
How an |
C． |
What |
D． |
What an |
It ______ that China _________ its first homemade aircraft carrier （国产航母） in the water in Dalian on April 26 th， 2017．（ ）
| A． |
was reported； put |
| B． |
was reported； was put |
| C． |
reported； put |
| D． |
reported； was put． |
-Mother's Day is coming．Could you tell me ？
-What about a red silk scarf？She'll like it．（ ）
| A． |
when I will give my mother a surprise |
| B． |
what gift I should give my mother |
| C． |
where I had a big meal with my mother |
| D． |
if I had a party for my mother |
-Look! Mrs． Green is standing in front of the library．
-It _________ her． She has gone to Egypt for her holiday．（ ）
| A． |
must be |
B． |
mustn't be |
C． |
can be |
D． |
can't be |