---I can’t find the key _____ the bike, can you help me?
| A．for | B．to | C．with | D．on |
.Run for more than half an hour every day, ________ you can lose your weight easily.
| A．or | B．and |
| C．but | D．unless |
The students were excited when they knew they ______ out for a spring out the next month.
| A．went | B．had gone |
| C．will go | D．would go |
In my opinion, Li Jianrou is one of ___________ skaters this year.
| A．luckiest | B．lucky |
| C．the luckiest | D．luckier |
________ Jeremy was hurt in the match, he didn’t give up and finished in ninth place.
| A．When | B．Although |
| C．Because | D．If |
__________ surprised he was to see his stolen bicycle again at the gate of the park.
| A．How | B．What |
| C．What a | D．What an |