Professor Smith told me that the book was well worth _____.[ ]

Ia bank account after I made﹩1 000 by doing a part-time job during the summer vacation.

The audience ______ when they heard the humorousstory.

(2009年合肥市高三第一次教学质量检测)When you finish your work，don’t forget to put the tools back where they

I think is very hard me a foreigner.