--Why do you want to be a teacher, David? --Because I like children and I can feel happy ___ them. A.in B.between C.among
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 _______.