Choose the correct variant A, B, C and fill in the blanks.
1. Nick … lay the table himself.
a) can
b) may
c) must
2. My friend … keep to a diet.
a) can
b) may
c) must
3. He … bring plates from the kitchen.
a) can
b) may
c) must
4. Who … wash up after every meal?
a) can
b) may
c) must