сделать задания.
I
1. It's forbidden to eat and drink in the classroom. Students _ have lunch at the desk
• must
• mustn't
• can't
• don't have to
2. Students _ stand up when a teacher comes in. It's a rule.
• must
• mustn't
• can't
• can
3.It's a good idea to prepare for the test. You _ revise grammar material properly.
• must
• have to
• should
• can
4.Tomorrow it'll be Sunday, but we _ go to school. We'll prepare for festive concert.
• must
• should
• have to
• can
5.Schoolchildren _ choose any optional course to attend, it's allowed.
• must
• have to
• should
• can
6.If pupils want to be the top students, it's necessary to work hard. That's why we _ do homework regularly and work at lesson attentively.
• mustn't
• don't have to
• need
• could
7.Last year we _ take part in the important dancing contests.
• have to
• had to
• must
• should
8.Next week it'll be my cousin's birthday. We _ send her a card and a present.
• could
• have to
• ought to
• had to

II Complete this text using the verbs below.
Should x4 Can x3 Ought x1 Have x1 Need x1

How to be a friend of the earth
There are many simple things we (1)_ all do to stop the destruction of the environment. First of all, we(2)_ not dump our rubbish without thinking which things, such as bottles and paper, (3)_be recycled. We(4)_ put object that we (5)_ recycle in recycling bins. Secondly, instead of taking our car wherever we go, we (6)_ to leave it at home whenever possible, and go on foot or by public transport. If there is something wrong with our car`s exhaust pipe, we (7)_ get it fixed immediately. When we (8)_ to drive to the supermarket to do our shopping, we (9)_ always remember to take our own bag, so that we don`t (10)_ to use the supermarket`s plastic bags.
III Complete the second sentence so it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between two and five words.
1 Surely she is hungry if she had no breakfast. (must)
eg She must be hungry if she had no breakfast.
2. Eating or drinking in class is not allowed. (mustn`t)
You_ in class.
3. A parrot doesn`t talk: it`s only able to copy sounds. (can)
A parrot_, which is not the same as talking.
4. Take some extra money, in case the tickets are more than $10 each. (may)
The tickets _$10 each , so take some extra money.
5. They usually get here at about nine o`clock. (should)
They_ at about nine o`clock.
6. She`s always very healthy. (can`t)
She _ ill.