—How many English words have you learnt now?—We had learnt over 1,500 English words ___________ the end of last week.
#46174
A
at
B
in
C
by
D
with
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It is very kind _____ you to help me with my work because it is very difficult _____me to do it by myself.
#48323
A
of； for
B
of； of
C
for；of
D
for； for