–How can I improve my study in the last thirty days? --________ listening to the teacher carefully in class. This is the most efficient way!
#51314
A
By
B
On
C
Past
D
Across
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It is very kind _____ you to help me with my lessons. It is difficult _____me to learn them well.
#51240
A
of , of
B
for , of
C
of , for
D
for , for
He didn’t listen to the teacher carefully, __________, he couldn’t answer the questions.
#46929
A
for example
B
even though
C
as a result
D
as usual
They will build nature reserves _____ protecting ______ birds.
#46946
A
to; in danger
B
for; endangered
C
to; endangered
D
for; in danger