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Do you have any trouble           the foreigners?
#51023
A
to understand
B
understanding
C
understand
D
understood[
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It’s really kind ____ you to help me ____  my English.
#51002
A
for, with
B
to do
C
of, with
D
of, at
My teacher asks us _______school on time.
#49825
A
go
B
go to
C
to go
D
to go to
Our music teacher is always heard _______ in the music room.
#50599
A
sing
B
sang
C
singing
D
to sing
Let’s ___ and play games.  
#50891
A
go
B
to go
C
going
D
goes
 There must be many people ________ for their trains at the train station because of the golden week holiday.
#49141
A
are waiting
B
waited
C
to wait
D
waiting