— Who’s that man in our classroom? It ________ be Mr. Brown. He is much taller.— You mean the man in white? He is an exchange student from England.
This morning mum said to me“ It’s going to rain. Don’t forget ______ a raincoat”.
You must keep your eyes _____, let’s begin the game.
We should tell hunters _______tigers.
Most of us will spend most time _____lessons.
My brother spent all morning_____ soccer with his classmates.