Four hundred dollars for just a pair of shoes? You ______ be joking!
A. may B. can C. can’t D. must
The water ______ cool when I jumped into the pool for morning exercise.
A. was felt B. is felt C. felt D. feels
–Nancy, how long does it take you to fly to Canada?
–Sorry, I don’t know. But I can telephone my father to _____ it for me.
A. do B. check C. catch D. find
The government decided to take some action _______ the situation turned too bad.
A. until B. unless C. when D. before
–Which part is meant for me?
–You can take _______ half. They’re exactly the same.
A. this B. any C. every D. either
–Excuse me, sir, but I don’t think you can smoke here.
–Really sorry. I ______ this is a non-smoking area.
A. don’t know B. didn’t know C. have no idea D. haven’t known
