问题

It is not until the disease has progressed to AIDS____a person begins to look sick.
A:in order that
B:that
C:where
D:before
B:that
C:where
D:before
正确答案是:
同类题型
Please call my secretary to arrange a meeting this afternoon, or ______ it is convenient to you.
He became ______ again and left the office with a smile on his face.
Her health _____under the pressure of work and she had to stay in hospital for a month. [ ]
He lives on ________ floor in thatbuilding.
We will have a picnic next month. —Really __________great fun!