Our teacher often asks us time．（ ）
| A． |
not waste |
B． |
don't waste |
| C． |
not to waste |
D． |
doesn't waste |
What are you watching？
The Story of China． This part at China Block Printing Museum of Yangzhou in 2014．（ ）
A．filmedB．was filmedC．has filmedD．is filmed
We should stop fireworks to reduce pollution．（ ）
A．getting offB．turning off
C．taking offD．setting off
When will your sister go to England？
She London since four months ago．（ ）
A．went toB．has gone to
C．has been toD．has been in
Hi， guys， please write three facts you last term in your project．（ ）
A．learnedB．are learning
C．have learnedD．learn
The Queqiao satellite（卫星） will form a bridge between controllers on Earth and the far side of the Moon．（ ）
A．contributionB．communication
C．celebrationD．competition