It's common for us to have smart phones today. They _ in our daily life.
A. used widely B. were widely used
C. use widely D. are widely used
Emma _______ her test paper until she checked it twice carefully.
A. won't hand in B. hasn't handed in
C. doesn't hand in D. didn't hand in
—______ did you stay in Paris last summer?
-For about three months.
A. How much B. How often
C. How long D. How old
It was very dark outside, ___________ we had to feel our way slowly.
A. so B. but
C. for D. Or
-Where is Mrs. Green?
-She __________ to her office. She will be back soon.
A. will go B. is going
C. has gone D. Goes
一___________I come in, Mr. King?
-Yes. of course. Please sit down at your desk.
A. May B. Must
C. Can D. Should