At which of the following times will the bus leave the main hall?
A.8:00;9:00;10:00;11:00. B.8:30;9:30;10:30;11:30. C.8:30;9:00;9:30;10:00. D.8:00;9:30;11:00;12:30.
参考答案:
答案解析:
From the letter,we can know__________.
From the letter,we can know__________. A.the two sides cooperated before B.the I