The boots are _____ designed and they can prevent us from _____ in the air.
A. specially; float B. especially; float
C. specially; floating D. especially; floating
The waste things _____ too much space.
A. take up B. take care C. take off D. take away
The robot uses _____ to take pictures of everything it sees.
A. cameras B. wheels C. hands D. batteries
Are you satisfied _____ the robot I bought two months ago?
A. in B. at C. with D. on
--- Will you be able to come to our school tomorrow?
--- _____.
A. I’m not sure so. B. I don’t think not.
C. I’m afraid not. D. I don’t think that.
Little Tom _____ computer games when his mother got home.
A. is playing B. plays C. was playing D. played