Many children prefer_________games on the computer rather than________outside.
A.playing; playing | B.to play; to play | C.to play; playing | D.to play; play |
Food, ______ and shelter are the three most necessary things for people to depend on.
A. clothes B. clothing C, cloth D. dress
I into robots and used to make mobile phones as well as help with medical operations.
A.have put | B.have been put | C.had put | D.had been put |
Over time my memory has developed much that, like an elephant, I never forget anything I have been told.
A.really | B.such | C.too | D.so |
I developed very slowly and it took nearly two hundred years I was built as an analytical machine by Charles Babbage.
A.before | B.after | C.long | D.short |
_____ the boy is determined to do something , no one can stop him.
A.Even if | B.Now that | C.Once | D.However |