________ you ought to do now is to see a doctor at once.
A. How B. That C. Which D. What
The medicine is on sale everywhere. You can get it at _______ chemist's.
A. other B. some C. another D. any
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
