---Mary hasn't written to us for a long time.---What do you suppose __ to her?
#73595
A
happened
B
to happen
C
was happened
D
having happened
推荐题目
Have you noticed the problem ___ he is now in low spirit ? ____ come?
#73919
A
where, What
B
that, How
C
in which, For
D
what, As
The man was walking along the street he stopped and looked as if whether he was going in the right direction.
#68945
A
when; seeing
B
when; to see
C
while; seeing
D
while; to see
．What sets human beings apart from animals is not the pursuit of happiness, but the pursuit of meaning, ________ is unique to humans.
#67115
A
that
B
what
C
which
D
as
Occasions are quite rare ________ I have time to spend a day with my kids.
#67000
A
who
B
which
C
why
D
when