Allow to, can, have to, must

Choose the best alternative for each sentence:

English teachers don't have to speak English perfectly but they __________ be able to explain things clearly.

It usually helps if they ___________ speak their students' language, too.

They certainly ______________ get angry if students make mistakes!

Most students of English _________ do exams at some time in their life.

If you want to do well, you___________ study hard before the exam.

In some exams, you ______________ use dictionaries but you mustn't copy from your neighbours or you will fail the exam.

I didn't enjoy learning French when I was at school. Our teacher was very strict. Every lesson we___________ listen to him reading from the textbook. 

We ________________ speak even when we didn't understand and we ____________ only ask questions at the end of the lesson. 

I was happy I__________ take an exam at the end because my French was terrible!