Ask and answer questions with must according to the model.
Work in pairs. Use the phrases below.

A. Must I come here today?
B. Yes, you must.

1. to do this exercise – Must I do this exercise? – Yes, you must.
2. to ask a question – Must I ask a question? –

1. to do this exercise – Must I do this exercise? – Yes, you must.
2. to ask a question – Must I ask a question? – Yes, you must.
3. to read the poem – Must I read the poem? – Yes, you must.
4. to clean the board – Must I clean the board? – Yes, you must.
5. to open the window – Must I open the window? – Yes, you must.

Complete the sentences according to the model. Work in pairs.

A. Must he study English or Latin?
B. I think he must study English.
A. Why?
B. English is more useful.

1. A) I buy this book or that book?
   B) You must buy that book.
   A) Why?
   B) That is more interesting.
2. A) Must I put on this dress or that dress?
   B) You must buy this dress.
   A) Why?
   B) It is more beautiful.
3. A) Must I buy the red or the green coat?
   B) You must buy the red coat.
   A) Why?
   B) They are prettier.
4. A) Must I buy these gloves or those gloves?
   B) You must buy those gloves.
   A) Why?
   B) They are warmer.