马克 吐温是美国著名作家、幽默大师，主要作品有__________。

Many boys enjoy _______ football, basketball or baseball

Which do you think is ________, health or wealth？

约瑟夫·海勒是____________的代表，其代表作品是《第二十二条军规》。

_______________will not continue if an ongoing operation is changed or deletedA、

美国教育家杜威是 20 世纪初实用主义教育学的代表人物，其代表作是______。

现代社会教育包括_____教育机构和______教育机构两大类。

29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

杜威是现代最著名的美国_____教育理论家。