.--- Hurry up. The bus is coming. --- Oh, no. We mustn’t cross the street_______the traffic lights are green.
Either the boy or his sister must have dinner here.
He bought three books, is in Chinese, in English, and in Japanese.
stop fooling, boys and girls, and he .
Andeison entered the classroom, ____book in ___hand.
She studies ___ medicine before she turned ___ writer.