His brother is only six years old. He has difficulty       the story books.
#51062
A
read
B
reads
C
to reads
D
reading
推荐题目
I have to work hard _____ the test. 
#50128
A
pass
B
to pass
C
for pass
D
passing
It’s very not outside.  Why don’t you stay at home?
#49680
A
why don’t
B
why not
C
why no
D
why didn’t
Jim spent  half an hour ______his work.
#50083
A
finish
B
to finish doing
C
finishing to do
D
finishing
Thank you for ________to let me _______on the trip.
#51073
A
agree, going
B
agreeing, to go
C
agreeing, go
D
agree, go