It is only when the disease has progressed to the AIDS ____ a person begins to look sick.
#84950
A
which
B
what
C
who
D
that
推荐题目
They gave us so warm a welcome that we were moved very much. It was a sight__________ we__________.
#85502
A
what;have never forgotten
B
which; wre never forgotten
C
as ;will never forget
D
that; would never forget
It’s important __________ us students _______ carefully in class.
#47016
A
for; listening
B
of; listen
C
for; to listen
D
of; to listen
It is _____ he often fails in exams _____ makes his parents worried about him.
#84753
A
what; that
B
that; what
C
that; that
D
/; that