—You can’ t smoke here. Look at the sign.
—Oh， sorry. I _______ it.
A. haven’t seen B. didn’t see
C. wasn’t seeing D. don’t see
— have you learnt English? —Since 2006.
A. How far B. How soon
C. How often D. How long
Broadway is famous _________its theatres and Wall Street is famous _______ an important trade centre.
A. as; for B. for; as C. as; as D. for; for
—Would you mind my _______ the window? — _______. There’s too much smoke in the room.
A. open; Not at all B. opening; Not at all
C. open; Of course D. opening; Better not
Nick is never late for work. He always gets to the office _______.
A. on time B. in time
C. at times D. at a time
How time flies! Three years _______ since I _______ you last time.
A. have passed; met B. has passed; met
C. passed; have met D. passed; met
