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
What a pity ! I_________ late for the football match yesterday.
A. am B. was
C. will be D. have been
-When were you born, Betty?
-I was born ___________May 10th,2000.
A. in B. on
C. at D. To
-Whose ruler is this, Bill?
-Oh, it's__________. Thank you.
A.I B. me
C. my D. mine