第1题
A.being
B.to be
C.to have been
D.having been
第2题
A.being
B.to be
C.to have been
D.having been
第3题
A.being
B.to be
C.to have been
D.having been
第4题
A.being
B.to be
C.to have been
D.having been
第5题
A.being
B.to be
C.to have been
D.having been
第6题
【D1】
第7题
According to the report, how many people are HIV-positive?
A.22 million.
B.36 million.
C.25 million.
D.58 million.
第8题
According to the report, how many people are HIV-positive?
A.22 million.
B.36 million.
C.25 million.
D.58 million.
第9题
According to the report, how many people are HIV-positive worldwide?
A.22 million.
B.36 million.
C.25 million.
D.58 million.
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