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Put the verbs in brackets into the Present Simple Passive.

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15. Put the verbs in brackets into the Present Simple Passive.

1. The post ….. (to deliver) at about 7 o’clock every morning.

2. The rubbish ….. (to take) away three times a week.

3. The name of the person who committed the crime ….. (not / to know).

4. The building ….. (not / to use) anymore.

5. These computers ….. (to make) in Taiwan.

6. Coffee ..... (not / to grow) in Europe.

7. The Statue of Liberty ….. (to locate) on Liberty Island, in New York.

 

16. Transform sentences from the Active into Passive Voice.

1. People develop different methods.

2. Metals can conduct heat and electricity.

3. They can draw an ounce of gold into a wire.

4. People use bronze for objects intended to resist the corrosive action of the atmosphere.

5. You can bend elastic materials.

6. People know zinc as one of the constituents of the alloy brass.

7. We call bronze an important material in the scientific and technical progress.

17. In the following description of how plastics are shaped, put the verbs in brackets into the Present Simple Passive.

There are many ways of shaping plastics. The most common way is by moulding. Blow-molding (a) ….. (to use) to make bottles. In this process, air (b)….. (to blow) into a blob of molten plastic inside a hollow mould and the plastic (c) ….. (to force) against the sides of the mould.

Toys and bowls (d) ….. (to make) by injection moulding. Thermoplastic chips (e) ….. first ….. (to heat) until they melt and then forced into a water-cooled mould under pressure. This method (f) ….. (to suit) to mass production. Thermoplastics can (g) ….. (to shape) by extrusion. Molten plastic (h) ….. (to force) through a shaped hole or die. Fibres for textiles and sheet plastic may (i)….. (to make) by extrusion.

 


UNIT 12



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