A:
B:
C:
D:
去年暑假小泉完成了一次“高原之旅”,读图,回答问题.
—再试一次。
—I can't make____.
—____ again.
-- Mum, can I go to the zoo with Jack?
-- When your homework , you can.
圆的半径和面积成正比例.