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-The desks are very dirty. -Let me        you       them.
#61520
A
to help;clean
B
help;clean
C
helps;to clean
D
to help;to clean
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They are not allowed ____ here.
#53793
A
to smoking
B
to smoke
C
smoke
D
smoked
Don’t forget to ______ the lights before you leave the classroom.
#61436
A
turn down
B
turn on
C
turn off
D
turn up
一How do they get to school?一They ________ the subway．
#61306
A
by
B
in
C
on
D
take
---- What are you doing?     ---- I’m ________ my English book.
#59023
A
looking after
B
looking at
C
looking for
D
looking like
I _____ have short hair, but now I ______  to having long hair.
#59506
A
use to, am used
B
used to, am used
C
am used to, used
D
am used to, use