2. I ____ go to school next week, because I have exams.

can't
must
both

3. We _____ cook, because we are hungry.

can't
must
both

4. We ______ see my sister next week.

must
can't
both

5. I _____ work all week, because I need money.

must
can't
both

6. I ______ clean the whole house.

can't
must
both

7. I ____ write a letter in English . My English is not so good.

can't
must
both

8. I ______ read the book for the exam.

must
can't
both