--- How many students are there in your class? --- Forty,and ________ of us are girls.
– Oh, no! It’s raining. We can’t go skating on the square. -- _______!
– Congratulations! Your speech is very good. -- _______
The bus is coming. Be careful when you _____ the bus.
He is always the first boy ____ gets to school.
– What do you think of my shirt? It _____ cotton. -- It looks nice on you.