I couldn’t follow what he said _______, but at last I understand. 
#46617
A
for the first
B
at first
C
the first
D
at the first
推荐题目
Tom often helps me ______ my English. 
#48368
A
with
B
for
C
by
D
of
I don’t want to go. Besides, I’m too tired.
#46378
A
Therefore
B
In addition
C
However
D
Except
He was born _______ the evening ______ April 6th.
#49190
A
in; in
B
on; on
C
on; of
D
in; of