The sign reads "In case of_______fire, break the glass and push______red button. "
A./; a B./; the C. the; the D. a; a
– Listen! It’s raining.
-- Oh, really? I ________ it at all.
A. didn’t realize B. don’t realize C. haven’t realized D. hadn’t realized
I ________ a topic for the composition, but haven’t decided yet.
A. will think about B. have been thinking about
C. had thought about D. was thought about
If I _______ that program the day before yesterday, my computer wouldn’t have broken down.
A. didn’t run B. haven’t run C. hadn’t run D. were not to run
Mr. Brown ______ his office an hour ago and he is still on his way home.
A. left B. leaves C. is leaving D. was leaving
It is the second time that he has won the race, _______ has surprised us all.
A. which B. where C. what D. that
