Read the sentence and choose the correct answer.

1 What job would you like to do? I'd like to be ____ engineer.
a. the
b. a
c. an

2 Let's go and see ____ film you told us about.
a. the
b. a
c. an

3 Can you be quiet for a minute? I ____ about what to write.
a. ‘m thinking
b. think
c. thought

4. We all do jobs to help at home. I ____ lay the table every evening.
a. need to
b. have to
c.must

5. You ____ eat in the library. It isn't allowed.
a. don’t need to
b. don’t have to
c. mustn’t