We must do something so that there will be _____ pollution in our city.
A. more B. fewer C. less D. Much
______ the blender. Let’s make some milk shake.
A. Turn on B. Turn off
C. Turn up D. Turn down
--Will there be money in 100 years?
-- ________. Everything will be free.
A. Yes, there will B. Yes, there is
C. No, there won’t D. No, there isn’t
Their school days are busy and the children don’t get home _____7 o’clock p.m.
A. though B. until
C. when D. Since
The little girl likes to _______ as an angel(天使), so she asks her mother to buy her lots of clothes.
A. make up B. take up
C. put up D. dress up
We all know trees play an important role in _______up the air.
A. clean B. cleaning
C. cleaned D. Cleans