What those businessmen concern about primarily is whether they can ______ as much as possible from the project.

When is Thanksgiving Day Is it____ autumn – Yes. It’s_____ November 28 this year.

I can do many kinds of housework _______ cooking. I’ll learn it from my mother.

I lost my way in complete darkness and,______ matters worse, it began to rain.

下列各句中，表达得体的一句是（ ）