The professor has written another book ____ of great importance to computer science. 
#91814
A
which I think it is
B
and I think is
C
which I think is
D
when I think is
推荐题目
 Mum is coming. What present        for your birthday?
#91742
A
you expect she has got
B
you expect has she got
C
do you expect she has got
D
do you expect has she got
_______ done for us?
#91738
A
What do you think he has
B
What do you think has he
C
Do you think what has he
D
Do you think what has he
I asked my boss for a month’s holiday and, _________, she agreed.
#91754
A
what’s more
B
that is to say
C
in other words
D
believe it or not