5. His grandfather died ____ the wound that the enemy soldier had given him .and then his grand-

mother died ____ hungry and cold.　　　 A.from,of　　 B.of,from　　　　　　 C.from,from　　　 D.of.of

4. The teacher is not only strict ____ his pupils but also strict ____ his own work.

A. with, with　　　 B.in,in　　　　　　　　 C. in, with　　　　　　 D. with, in

3. Mary dropped in ____ Mr Smith, but he　 wasn' t at home, so she went to drop in ____ Mr Smith's office.　　　　　　　 A. on, on　　　　 B. at, at　　　　　 C. on. at　　　　　 D. at. on

2. The worker can make chairs ____ wood, and also can make paper ____ wood.

A. from, of　　　 B. of, from　　　 C. of. of　　　　　 D. from, from

1. The teacher is writing ____ a piece of chalk on the blackboard while the students are writing ____ink in exercise books.　　　　 A. with, in　　　 　　 B. in, with　　　　 C. in, in　　　　 D. with, with

16、in, into：into表示动向，不表示目的地或位置。如：We walked into the park.；in通常表示位置。如：We walked in the park；in和drop, fall, put, throw, break等终止性动词连用时，也可以表示动向。如：I have put the coin in (into) my pocket.我把硬币放进衣袋。

练习(一)、介　 词

15、in front of 和in the front of：in front of = before，是“在……前面”的意思(不在某物内)； in the front of则是“在……前部”的意思(在某物内)。如：There is a desk in front of the blackboard./ The boy sat in the front of the car.。

14、as, like：as作“作为”、“以……地位或身份”解。如：Let me speak to you as a father.(事实是父亲)；like作“象……一样”解。如：Let me speak to you like a father.(事实上不是父亲)。

13、in charge of和in the charge of：两者都表示“由谁负责、照顾、管理”。区别在于：in charge of后接被照管的人或物，而in the charge of后面则跟照管的人。如：Who is in charge of the project?/ The project is in the charge of an engineer.。

12、表示“用”的in和with：表示工具的“用”，用with，而表示材料、方式、方法、度量、单位、语言、声音等的“用”，用in。如：He is writing a letter with a pen./ He wrote the letter in pencil./ We measured it in pounds./ Read the text in a loud voice./ Tell me the story in English.