He found          difficult to improve his English          the teacher’s help.
#52346
A
it is; without
B
it was; with
C
it; without
D
that is; with
推荐题目
You had better finish _______ your homework.
#60057
A
do
B
doing
C
to do
D
done
 The new car ______ much more than I _______ it.
#59577
A
cost, paid
B
spent, paid
C
cost, paid for
D
spent, paid for
 I usually use my computer _________my emails and buy tickets.
#56132
A
check
B
chceks
C
to check
D
checking