Прочитайте текст и вставте слова:can(x2),may,must,should,ought,have,had be,able needn't. Laptop computers are small personal computers that (1) be used on the move. Before buying a laptop, you (2) consider different tasks that you are going to use your computer for. Today there are more laptops sold in the PC market than desktop computers so they (3) have their advantages over traditional PCs. For example, most laptops today have an inbuilt TV tuner which (4) catch signals from satellite TV. However, not all vendors provide for an inbuilt TV tuner card. So you will (5) to buy it if you want to watch TV through your laptop. Another advantage is that your laptop computer will (6) to access the Internet with a wireless connection. Having a laptop also implies that you will want to transport it. For this reason you (7) to buy a suitable bag for it. In the past, if you wanted to buy a powerful computer with advanced features, you (8) to pay quite a lot of money. Today you (9) worry because buying a modern laptop won’t break the bank. You (10) also choose to pay in instalments to break down the price.
Explanation:
1) can - In this context, "can" means that laptop computers have the capability to be used on the move.
2) must - "Must" is used to emphasize the importance of considering different tasks before buying a laptop. It is necessary to think about the intended use of the computer.
3) have - Laptops have their advantages over traditional PCs. This statement is providing a fact.
4) can - Laptops have an inbuilt TV tuner which has the ability to catch signals from satellite TV. The word "can" indicates the capability of the TV tuner.
5) need to - If you want to watch TV through your laptop and it doesn't have an inbuilt TV tuner, you need to buy one separately.
6) be able to - Your laptop computer will have the ability to access the Internet with a wireless connection. "Be able to" expresses capability.
7) should - It is recommended or considered appropriate to buy a suitable bag for transporting your laptop. "Should" is used to suggest a course of action.
8) had to - In the past, it was necessary to pay quite a lot of money if you wanted to buy a powerful computer with advanced features. "Had to" emphasizes the requirement or obligation.
9) needn't - There is no need to worry about buying a modern laptop because it won't be excessively expensive. "Needn't" suggests that worrying is not necessary.
10) can - You have the option to choose to pay in instalments to break down the price. "Can" indicates the ability or possibility to choose this payment method.