--Now most teenagers write to each other not by letter ________online.
--Yes, the Internet has become a part of their life.
A. or B. and
C. but D. so
--This pair of shoes looks very pretty.
--Really! Why not ________?
A. to try them on B. try on them
C. try them on D. to try on them
--Attention please, everybody! Please ________. Mr Green will begin his report at once.
A. take a walk B. take place
C. take part D. take a seat
-- Is this i-phone _________?
--No, it isn’t. I am just thinking of buying________.
A. your, it B. your, one
C. yours, it D. yours, one
The heavy rain stopped the tourists________climbing down the hill.
A. in B. by
C. from D. to
This is such________useful book that I have learned a lot from it.
A. a B. an
C. the D. /
