---Mum, it’s late. Why are you still here?
---Dad hasn’t come back yet. I _____ for him.
| A．am waiting | B．have waited |
| C．was waiting | D．waited |
Teenagers like to _______ photos of famous stars in their bedrooms.
| A．put in | B．put up | C．put away | D．put out |
There __________ a library and two reading rooms in the school.
| A．are | B．is | C．be | D．to be |
Today she looks ______. Look ! She is looking _______ at his son.
| A．happy; happy | B．happily; happily |
| C．happy; happily | D．happily; happy |
— Which box is mine?
— Well, my box is not as yours, though they look the same.
| A．so big | B．bigger | C．biggest | D．the biggest |
—What shall we do this Saturday?
— it rains, we’ll have a picnic in Century Park.
| A．If | B．Unless | C．Because | D．When |