He _________ in a hospital in Beijing, but now he services ORBIS, traveling around the world.A. was used to work B. used to working C. used to work
Mary said she to school the next Sunday. A.won’t go B.isn’t go C.wouldn’t go
My father will be back from Nanjing ___ a week. A.in B. after C. behind
I want to be _____ actor in the future. A.a B. an C. The
Email is very popular today. People ______write letters to each other now.
Difficulties are nothing _____we are not afraid of them.