_________ people were watching the sky, the alien got out of the UFO.
This is my friend,Jack Brown. His name is Brown.A. first B. middle C. family
---Mum, may I stop ________ a rest? I feel tired.A. having B. to have C. have
---Don’t you know Zhang Tao in my office? --- _______ He is my friend.A. Yes, I do. B. No, I don’t. C. Yes, I am
Computers first came into use ________.A. in 1950s B. on the 1950s C. in the 1950s
We should know some ways to protect ourselves ____ the earthquake.A. out of B. away C. from