—Why are you so tired these days?
—Well, I have ________ homework to do.
| A．too much | B．too many | C．much too | D．many too |
You had better _______ with her about the colour and the size of the furniture.
| A．discussed | B．discussing |
| C．to discuss | D．discuss |
I didn’t hear anyone knocking at the door because I _______ to music in my room.
| A．was listening | B．listened |
| C．have listened | D．am listening |
“I’m sorry that you’ve missed the last bus. It _______ only five minutes ago.” said the man.
| A．has left | B．had left |
| C．would leave | D．left |
She shouted with friends and then stood up _______ she could see the film stars clearly.
| A．in order | B．as |
| C．such as | D．so that |
Every day students in our school will do outdoor activities ______ there is a heavy haze(雾霾).
| A．unless | B．while |
| C．until | D．since |