常见介词的基本用法
1．由于一个介词有多种不同用法，一个相近的意思又可以用不同的介词表示，所以必须记住每个介词的用法。
2．根据在句中作用的不同，有些词是介词，又是副词，如up, in, on, off, over, down, round, out，要注意区别。
3.弄清楚易混淆的介词用法的辨析，做到根据语境和交际条件灵活运用介词解这类题目，我们必须掌握介词的基本用法和与它相关的固定搭配。
考例再现:
1．today some newly-produced mobile phones can take pictures _____ a camera.
a. as b. for c. like d. of (c)
2．mum, today is mother’s day. mike and i want to invite you to have dinner _____ us at shanghai restaurant, which is famous _____ its seafood.
a. with; of b. with; for c. for; to d. to; for (b)
3．—would you like some coffee?
—yes, please. by the way, do you have any milk? i prefer coffee _____ milk.
a. from b. with c. to d. for (b)
4．we can’t live ____ air or water.
a. with b. without c. if no d. haven’t (b)
5．—which necklace have you lost?
—the one you gave me _____ my birthday.
a. for b. to c. with d. of (a)