—What delicious bread!—That’s right. It will taste ________with butter.
---What’s up? ---There is _______ with my computer. It doesn’t work.
In the cave they found the very book, the cover of _______was torn.
-Excuse me.How long can I keep the book?-You can return it by the end of this month.
Children are having a good time in the park.
I like the MP3, it’s too expensive.A. but B. so C. and