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He promised ______his old friend during his stay in Tianjin.
#49225
A
see
B
seeing
C
saw
D
to see
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I noticed him _________ the teacher’s office just now.
#48688
A
go into
B
went into
C
was going into
D
came out of
The young mother kept ______ the house with three children in it , because she wanted to keep it ______.
#48871
A
cleaning; clean
B
cleaning; cleaning
C
clean; clean
D
clean; cleaning
My mother often tells me        late for class.
#49749
A
not be
B
not to be
C
am not
D
not
We must do everything we can _________ our earth clearer and safer.
#49701
A
made
B
to making
C
make
D
to make
 What is the best way ______ more English?
#50238
A
learn
B
learning
C
to learn
D
learned