题目内容

简要回答果蝇胚胎背腹轴分化的机制?

查看答案
更多问题

What does Zhang Ling want to do? ______

A. To book a room.
B. To check in.
C. To pay the bill.
D. To check out.

What should be returned to the hotel when a guest checks out?______

A. The room card.
B. The bill.
C. The luggage.
D. The shuttle bus.

The tour guide has to______ before the guests leave.

A. check in
B. sign the bill
C. check the bill
D. pay for the bill

What is the procedure of checking out? _______

答案查题题库