Cover of Solutions Pre-Intermediate - Workbook

Exercise 4

3D - must, mustn't and needn't / don't have to·Solutions Pre-Intermediate - Workbook

Вопрос

Decide whether must or have to is better in these sentences.

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← Exercise 3

Больше упражнений в 3D - must, mustn't and needn't / don't have to

Ex. 1
Ex. 2
Ex. 3