Reading in the sun is ______ to your eyes.
| A．hopeless | B．harmful | C．harmless | D．careless |
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 |
Could you tell us _______ we are going to have the meeting this Friday afternoon?
| A．what | B．where | C．who | D．which |