问题
选择题
The teapot ______ for keeping tea hot after it ______. [ ]
A. was using; was made
B. was used; was made
C. using; is making
D. uses; makes
答案
答案：B
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The teapot ______ for keeping tea hot after it ______. [ ]
A. was using; was made
B. was used; was made
C. using; is making
D. uses; makes
答案：B