With the help of the Internet, information can ________every corner of the world quickly.
A. go
B. land
C. reach
D. arrive
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-How long can I ________the book?-For two weeks.
A. keep
B. borrow
C. lend
D. buy
You ________lose your way if you walk alone in the mountains at night.
A. may
B. need
C. should
D. ought to
-Oil is everywhere in this store, so you ________know smoking is forbidden here.-I'm sorry.
A. can
B. may
C. must
D. can't
, also called deep breathing exercise, is practised by the Chinese on a regular basis to keep fit. “ ” literally means “air" and implies "life force”.