Tiếng Anh - Test 5

Test 5.
I. Put the verb into the correct form.
Nylon (invent) in early 1930s by an American chemist. Others scientists (work) with his invention and finally on 27th October 1938, nylon (introduce) to the world. It was cheap and immediately (become) successful, especcially in making old ladies stockings. During the Second world war, it (use) to make parachutes and tyres.
Today, nylon (find) in many things: carpets, seat bells, ropes, computer and even space parts for the human body. It (play) an important part in our lives for over 50 years. Next year, about 2.6 million tons of nulyo (manufacture)
II. Rewrite the following sentences without changing their meanings.
1. The owers of restaurants are usually very rich. -> The people who ..
2. It’s against the rulers to park your car here. -> You are 
3. I never intended to help such a man. -> I never had ..
4. Although the man was old, she looked very graceful. -> Despite .
5. The students were to clever to see the solution to the problem. -> How 
III. Give the correct form of the words.
1. After taking an aspirin, her headache (appear)
2. If you can give a reasonable (explain) for your bad behavior last night, I’ll forgive you.
3. I live in a small village and its (surround) are very beautiful
4. You don’t have to do that work. In other words, It’s (neccessity) for you to do
5. Please don’t be so (reason), I can’t do all the work by myself.
* Keys for test 5.
I. 1. was invented – 2. worked – 3. was introduced – 4. became – 5. was used – 
6. is found – 7. has played – 8. will be manufactured
II. 1. The people who own restaurants are usually very rich.
2. You are not allowed to park your car here / you are parking your car here against the rulers.
3. I never have intention of helping such a man.
4. Despite her old age, she looked graceful.
5. How clever the students were to see the solution to the problem
III. 1. dispappeared – 2. explanation – 3. surroundings – 4. unnecessary 
– 5. unreasonable