Question

3. You ... wash vegetables carefully before using.
A) mustn't
B) don't have to
C) haven't to
D) have to
4. Betty has a temperature. She ... take her medicine.
A) must
B) hasn't to
C) isn't able
D) mightn't

Answer 1

Ответ:

3) have to

4) must

Объяснение: