Sandy， do you still remember ____the Palace Museum？
Yes． About five years ago．（ ）
A．when we visitB．when do we visit
C．when we visitedD．when did we visit
Many parents have to ________ early to make breakfast for their kids．（ ）
| A． |
get up |
B． |
stay up |
C． |
give up |
﹣﹣I wonder ________．
﹣﹣It's about an unusual experience of a little girl．（ ）
| A． |
who wrote the book |
| B． |
what the book is about |
| C． |
how I can get the book |
The ________ pollution is becoming more and more serious，We haven't seen blue skies for several days．（ ）
| A． |
noise |
B． |
water |
C． |
air |
﹣﹣Do you know some robots are able to serve as waiters in restaurants？
﹣﹣Really？________ interesting it is!（ ）
| A． |
What |
B． |
What a |
C． |
How |
Steve ________ TV in the living room when his mother came in．（ ）
| A． |
was watching |
| B． |
watches |
| C． |
is watching |