________ I regret most is that I have promised to make friends with the dishonest girl.
| A.How | B.What |
| C.Where | D.That |
Fresh air is good ____ your health.
| A.at | B.for | C.of | D.to |
It's very kind____ you to repair the bike ____ me.
| A.for.for | B.of,of | C.of,for | D.for,of |
We go to school ____ a bike.
| A.in | B.on | C.by | D.ove |
It happened ____ the Long March.
| A.during | B.in | C.at | D.for |
The window is never opened ____ in summer.
| A.but | B.except | C.except for | D.but for |