How many countries attended the close-door meeting held in London？
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What had previously prevented aid workersfrom combing the wreckage？
A. The rain.
B. The smoke.
C. The fire.
D. The barriers.
The young man ______ teaches us English is from America.
A: whose
B: who
C: whom
D: which
Why is the present education system criticized according to the passage？
A. Because the examination system is not fine.
Because it is too examination-oriented.
C. Because the examination system is not scientific.
D. Because the examination system is out of date.
What does Professor Dodge do？
A. He advises students participating in a special program.
B. He teaches part-time in an elementary school.
C. He observes elementary school students in the classroom.
D. He helps students prepare their resumes.
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