— May I ask you some questions? — ______________ A. Yes, he may. B. Sure, go ahead. C. Of course not.
There aren’t __________ girls in the classroom.
There _________ an apple on the desk.
The student is too young. He can’t look after himself _______.
—Do you have _______ to say today? —No, nothing.
—What are these? —They’re _______ and _______.