Vocabulary: (pages 143→145)
sustainable: able to continue over a period of time.
Despite his shyness Khalid seems to find it easy to sustain relationship with neighbours.
The Minister of finance think that the economy of Morocco will sustain its growth for the next few years. That sort of diet is not sustainable over a long period of time.
As far as I am concerned, making wise use of national resources such as water and energy is very important. Global problems such as climate change, the damage to the ozone layer and the extinction of wildlife species affect all of us. They are real threats to our survival.
We should do something to stop the extinction of dolphins. Air pollution is a serious threat to health.
It is frightening to see people throw garbage in public places. Hard work is rewarding; that is, it pays off.
I’ve been working hard for the exam. I don’t squander one minute of my free time.
I will pursue all my aims simultaneously through my life.
Each and everyone of us has a valuable role in sustainable development.
Citizenship relies on us taking part in sustainable development.
The Passive Voice:
You must switch off the computer after use.
The computer must be switched off after use.
You must keep medicines out of the reach of children.
Medicines should be kept out of the reach of children.
You must sign the visa application.
The visa application must be signed.
You can fill it out in Arabic, too.
It can be filled in Arabic, too.
You may send it by post or e-mail it.
It may be sent by post or e-mailed.
We could inform you about your visa application either by e-mail or phone.
You could be informed about your visa either by e-mail or by phone.
We can only process complete applications for admission.
Only complete applications can be processed for admission.
We speak Arabic in Morocco.
Arabic is spoken in Morocco.
The father drives his children to school every day.
The children are driven to school every day by the father.
Nadia decorated the bedroom beautifully.
The bedroom was decorated beautifully by Nadia.
The mechanic is repairing my brother’s car.
My brother’s car is being repaired by the mechanic.
They are building new schools in our village.
New schools are being built in our village.
My mother was cooking lunch when I got home yesterday.
Lunch was being cooked by my mother when I got home yesterday.
They have taken the injured man to the hospital.
The injured man has been taken to the hospital.
The maid had done the housework before we arrived.
The housework had been done by the maid before we arrived.