— I think your father is very busy.
—So he is._______ he still takes a walk with us sometimes.
A. So B. And C. Or d. But
While Helen _____ along the river after supper, she ____ a wallet lying on the roadside.
A. was walking; was finding B. walked; found
B. walked; was finding D. was walking; found
I stopped the car ____ a short break as I was feeling tired.
| A．take | B．taking | C．taken | D．to take |
______ the students were when they heard the rock music!
| A．How excited | B．How exciting |
| C．What excited | D．What exciting |
______ you keep trying till the end, you will never know how strong you are!
| A．Although | B．If |
| C．Unless | D．Because |
---Look! The light is still on. Is Mr Wu working in his office？
---No, it _____ be Mr Wu. He has gone to Nanjing for a meeting.
| A．needn’t | B．mustn’t |
| C．can’t | D．wouldn’t |