Daisy has been learning Putonghua __________ the age of five.
| A．at | B．since | C．for | D．in |
It’s quite warm here, we_________ leave the stove on .
| A．couldn’t | B．wouldn’t |
| C．mustn’t | D．needn’t |
--Did your parents go to see a film called The World of Dinosaurs last night?
---No. We______ stayed at home watching TV.
| A．all | B．both |
| C．none | D．either |
There will be______one-hour documentary tonight on TV. It tells a story of______honest boy in the mountain village far away.
| A．a, a | B．/, a |
| C．an, a | D．a, an |
How time flies! Three years _________ in our junior high school.
A. have passed
B. have been passed
C. has passed
It _____ three years since we ______ to college.
A. was; went
B. has; been
C. has been; went