`B.`
1. are playing ( at the momnet )
2. goes ( never )
3. is
4. will visit ( tomorrow )
`A.`
a. T (In the summer holidays , Phong 's family go to the beach)
b. F (They usually stay in a hotel)
c. T (They usually have sandwiches for lunch)
d. F (In the afternoons , they walk .)