Read and choose.
1 A: What are these?
B: a) It's a book
b) They're cameras.
2 A: Where's Alvin?
B: a) He's at school.
b) He's my friend.
3 A: Happy Birthday. Ted!
B: a) You're welcome!
b) Thank you!
4 A: Where's the vase?
B: a) Yes, it is.
b) On the table
5 A: What's that?
B: a) it's Tina's schoolbag.
b) It's next to the table.​