Which of the following is NOT true according to the conversation？
A. Doctors will try plastic teeth on people.
B. Doctors have made plastic teeth work on animals.
C. Toothache always bothers people.
Doctors are trying to transplant a person's tooth to another person.
In the second paragraph, the author seems to consider the Allied bombing on Germany
A. imprudent.
B. immoral.
C. justified.
D. reckless.
As the mountains were covered with a __________ of cloud, we couldn't see tbeir tops.
A. coating
B. film
C. veil
D. shade
The woman suggests the man look at her notes to
A. help him explain the information to his roommate.
B. help him write a paper.
C. prepare for a test.
D. tell her if the notes are accurate.
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