16. —Could you please cut the price a little?
—Er … ______ you buy more than ten.
A. even if B. so long as C. though D. as soon as
17. The lunch period will be _____ from 30 minutes to an hour from now on.
A. expanded B. extended C. spread D. added
18. What made them concerned was that the disease was spreading more ____ than expected.
A. obviously B. steadily C. anxiously D. rapidly
19. ---- I prefer shutting myself in and listening to music all day on Sundays.
---- That’s ______ I don’t agree. You should have a more active life.
A. where B. how C. when D. what
20. While you are traveling abroad, attention should be paid to _______ you _______.
A. preventing; from being fined B. prevent; from fining
C. prevent; from being fined D. preventing; from fining
