Iusuallyhavehamburgerwhilewait-优题课

I usually have ________ hamburger while waiting for ________7: 00 school bus.

A．the; a

B．不填; the

C．a; the

D．不填; a

科目英语题型单选题难度中等

知识点：冠词的用法辨析

Mrs. Johnson, our neighbor, often ______ the dog in the park after supper.

They soon ______ doing the same thing day after day, and finally gave up.

I like to listen to music ______ I’m having a walk in the evening.

______ the terrible pollution, so many beautiful fish are fast disappearing in the river.

All of us found ______ difficult to work out the maths problem.