--____ has your grandpa lived here? --Since last year.
| A．How long | B．How often | C．How soon | D．How far |
---Carl, why not go and help your sister water the flowers there?
---Why__________? I’m busy myself. Jack is lying on the grass doing nothing.
| A．me | B．I | C．him | D．he |
---___________ is it from here to Yancheng Railway Station?
---About two kilometers.
| A．How often | B．How far | C．How soon | D．How long |
We all __________how he made such great progress in a short time.
| A．believed | B．thought | C．decided | D．wondered |
---I think Miss Gao must be in the library. She said she would go there.
---No, she ___________ be there. I have just been there.
| A．can’t | B．mustn’t | C．needn’t | D．wouldn’t |
The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.
| A．catch up with | B．keep up with | C．come up with | D．make up with |