填空题

AIDS is reported (be) ______ the biggest challenge to the people in that region over the past few years.

【参考答案】

to have been

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热门试题

单项选择题

What can we learn from the conversation（）

A. The woman do not like Mr. Saunders.
B. Mr. Saunders is not suitable for the job.
C. Mr. Saunders will not be accepted.
D. The woman is satisfied with Mr. Saunders.

单项选择题

He tried to explain the complicated theory to me, but I got more（）by the technical terms in his explanation.

A. amazed
C. amused
B. neglected
D. confused