Question

2.1 You have to buy a any more books or you'll spend ali your money. 2 You must buy b the new book by Dan Brown. It's incredible 3 You mustn't buy c the books - you can get them from the library. 4 You don't have to buy d all the books before the course starts. It's a university regulation.​

Answer 1

4 - C.

2 - D.

1 - B.

3 - A.

Espero te ayude.