Rodger knows her very well. They by an old friend ten years ago.
A. were introduced B. introduced
C. are introduced D. introduces
I hope Lily will come to see me before she .
A. leave B. left C. leaves D. will leave
A new house ________ at the corner of the road and will be completed next month.
A. is building B. been built
C. is being built D. be building
How ________ you say that you really understand the whole story if you have covered only part of the article?
A. may B. must C. need D. can
You shouldn’t accept a lift from a person ________ you don’t know him.
A. until B. unless C. if D. whether
—Will you join us in the discussion? —Well, I won’t join you unless Wang Lin ________ too.
A. will be asked B. is asked C. asked D. be asked
