3.     It's a _________ (use) book. You'd better read it carefully.

2.     You can use__________ (scoop) to drink soup.

1.     Stamps are used___________ (post) letters.

②He mentioned__________ (hear) from her often.

①I will not mention it___________ you again.

A. at        B. for        C. to          D. /

②一Thanks for the delicious food.

 一___________

A. No, thanks               B. That's right

C. All right                D. My pleasure

①The food in the water produced a___________ smell.

A. please              B. pleased

C. pleasure           D. pleasant

4.    但是那时拉锁并没有被广泛应用。

But ________  ________  ________ ， the zipper wasn't used widely.

3.    它真的是一项如此伟大的发明吗？

Is it really______ ________ _______ _______  ？

2.    它们被用于做什么？

What are they______  ______ ？