-------How many students are there in the classroom?
------- ________ .They are all on the playground.

---When shall we meet again next time ?
-----____day is OK.

     Tom        Maria are from Cuba?

------- Are there __________ computers in the classroom?      
-------Yes, there are ________.
A. a , some           B. some , any          C. any , some

_____of my parents used to travel all over the country on their own.

---Why don’t you go to the lecture room and listen to the talk?
---I hear there isn’t     in it.

What _________ things can I do for you?

Who _______comes to your birthday dinner ?

Can you show me ____ pen?   This one is too expensive.

—I can't find         beef in the fridge. Shall I buy some?
—Yes, please.