1. Hoàn thành các câu dưới đây với thể khẳng định hoặc phủ định của “must”, “have to”, “has to”.
1.1. Students……………...look at their notes while they are taking the exam.
1.2. My mother has a terrible headache so she……………...stop working today.
1.3. There is an accident and the traffic is blocked. We……………...to stay here for a while.
1.4. You……………...do that, Mary. I'll do it later.
1.5. He……………...wait in line like anyone else.
2. Khoanh tròn vào đáp án đúng
1 mustn't
2 has to
3 have to
4 don't have to
5 has to
1. Hoàn thành các câu dưới đây với thể khẳng định hoặc phủ định của “must”, “have to”, “has to”.
1.1. Students………mustn't……...look at their notes while they are taking the exam.
1.2. My mother has a terrible headache so she………… has to…...stop working today.
1.3. There is an accident and the traffic is blocked. We………… have to…...to stay here for a while.
1.4. You………don't have to……...do that, Mary. I'll do it later.
1.5. He…………must…...wait in line like anyone else.