---________is the weather like in America in winter?
---It’s snowy.
A.What B. How C. Where D. Why
Its population is almost ________ of the world’s population.
A. one two B. two thirdsC. fifth three D. one five
At eight o’clock last night Alice _________ with her family happily in Hongkong.
A. has dinner B. had dinner
C. is going to have D. was having dinner
John does important research _______ the best ways to help the old.
A. finds B. finds C.found D. to find out
Many wild animals don’t have a safe place to live, ___________people are taking away their land and forests.
A. when B. while C. because D. and
We stayed there and watched the opera ______ an hour.
A. in B. for C. at D. on