A: keep after a flying target
B: hit a flying saucer
C: fire straight at a missle
D: keep chasing the enemy's tanks
举一反三
- 就飞碟计划而言 A: as far as our flying saucer program is concerned B: about the flying saucer plan
- I would appreciate _____ it secret. A: you to keep B: your keeping C: that you keep D: that you will keep
- To keep healthy, you’d better______ exercise right after you have a meal.
- It’s necessary for you (_____) the classroom clean. A: keep B: keeping C: to keep D: kept
- During dinner, you should sit up straight and keep your elbows on the table.
内容
- 0
You may borrow the book ______ you keep it clean. A: when B: unless C: as long as D: after
- 1
Whatever you do, you must ______ the interests of the state. A: keep in mind B: keep from C: keep up with D: keep away
- 2
It’s very cold outside. You should put on more clothing to (), otherwise you will catch bad cold. A: keep it out B: make it out C: keep out it D: keep off it
- 3
I'm very sorry ______ the whole morning. I forgot the appointment. A: to keep you wait B: to have kept you waiting C: to keep you waiting D: to keep you to wait
- 4
How can you know it’s not a good day to go sailing? A: Migrating birds are flying in the wrong direction. B: You can’t see a bird anywhere. C: Seagulls are sitting on the ground in large groups. D: Birds are flying overhead in the summertime.