Miss Taylor never wastes money on anything too expensive, even though (尽管)she can _______ to. She has donated much of the money she saved to charities.

I think English is __________ unimportant subject.— I don’t think so. It is __________ useful tool when we talk with foreigners.

Look at the ______, madam. The red skirtis smaller than the blue one.— Yeah. The red one suits me better, Ithink.

Do you know where David is He is not in the office.–Well, he ______ have gone far—his coat is still here.

Do you like history —Yes. I think it’s _________.