Our classrooms are_______.
Traffic is heavy and the price of oil is much ______ so that many people go to work by bus instead.
______ can make my mother change her mind. She is such a person who never gives up easily.
Although it seemed to be ______ painful experience, he still found it ______ fun.
--- Can I look at the menu for a few more minutes before I order?--- Of course. _______, Sir.
We had to wait half an hour we had already booked(预定) a table.