He is going to study hard at math. He wants to be ________ engineer.
— We’ll have an English exam tomorrow. — ___________.
— Chongqing is really a beautiful city and there’re many places of interest. — So it is. Why not stay here for _______ two days.
The price of a cup of coffee is higher than _______ of a glass of Cola.
It rained heavily this morning, but _______ of my classmates were away from school.
— Can you lend me your bike? — Yes. But you can only ________ it for one day. Because I’ll ride it to school the day after tomorrow.