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It’s not easy _________ me__________ finish walking a 100-kilometer trail within 48 hours.
#48509
A
of; to
B
for; to
C
of; for
D
for; for
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His father often goes to work   bus .
#49054
A
on
B
to
C
at
D
by
There are some trees _____ our classroom.
#48707
A
in front
B
in the front of
C
in front of
D
front of
Mr. Brown buys some pens and notebooks _______.
#48092
A
for we
B
for us
C
to we
D
to us
The temperature can drop ________zero when winter comes.
#46976
A
under
B
below
C
at
D
over
____ You know. Mary is a bit slow ___ understanding so... _____ So I have to be patient _____ him.
#49349
A
On; with
B
in; with
C
in;to
D
at;of