My school is about twenty ________ walk from here.
| A．minute | B．minutes’ | C．minute’s | D．minutes |
Mr. Zhang ________ as an engineer since he came to the computer company in 2008.
| A．works | B．worked | C．has worked | D．had worked |
Listen! Who _____ the piano in the next room?
| A．plays | B．played | C．is playing | D．has played |
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 |
Tommy’s parents looked _______ when they saw his excellent exam results.
| A．happy | B．happier | C．happiness | D．unhappy |
In my opinion, Li Jianrou is one of ___________ skaters this year.
| A．luckiest | B．lucky | C．the luckiest | D．luckier |