Do you have any idea ______ on earth has happened to our friend?
#93004
A
that
B
what
C
as
D
which
推荐题目
The doctor did a lot to reduce the patient’s fear ____he would die of the disease.
#94039
A
that
B
which
C
of which
D
of that
He had little idea that it was getting so late, _____?
#93241
A
didn’t he
B
wasn’t it
C
did he
D
was it?
The manager promised to keep me_______ how our business was going on.
#92876
A
informing of
B
informed of
C
to inform of
D
on informing