Tom finds _________ difficult to learn Chinese well.
#55814
A
it
B
that
C
this
D
him
推荐题目
-- Did you read a book about customs last week?-- Yes, I found ______ very useful to know the customs of foreign countries.
#55792
A
that
B
this
C
it’s
D
it
Scientists are working hard to make _______ possible for people to live on Mars in the future.
#55873
A
it
B
that
C
this
D
one
— I like speaking better than listening in English learning.—Oh, really? I think you should be good at of them.
#55883
A
both
B
neither
C
some
D
all