A．varyingB．variousC．plentyD．variety
A. varying
B. various
C. plenty
D. variety
查看答案
A．understandB．understandingC．be understoodD．the understanding
A. understand
B. understanding
C. be understood
D. the understanding
听力原文：The director said that your supervisor was having his hands full right now, but she is free just now, and could help you out.
(24)
A. The director is busy now but she could still help you.
B. The supervisor is too busy to come to your help.
C. Though the supervisor is free now, he can not help you out.
D. The director is having his hands full to help your out.
A．Even ifB．DespiteC．AlthoughD．However
A. Even if
B. Despite
C. Although
D. However
The best title for the passage is probably______.
A. Pollution on Mountain Everest
B. A Risky Trip Up Mount Everest
C. Mount Everest—Clean-up Effort
D. Robert Hoffman and His Clean-up Team
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