---Why do you think he can succeed?---He believes in himself, ____ is the most important, I think.
#64835
A
which?
B
what
C
that
D
who
推荐题目
 --Are these your books?--______.
#59805
A
Yes ,these are.
B
No, they are.
C
No, it isn’t.
D
Yes, they are.
---What _______ you ________ ? ---I’m doing my homework.
#60216
A
do; do
B
are; do
C
are; doing
D
can; do
 Look! The ground is wet. It must have rained last night, ________?
#64460
A
hasn't it
B
hadn't it
C
mustn't it
D
didn't it