they grow, they make sure ______ is left in the ground after harvesting becomes a natural fertilizer for the next year’s crop.

I would have helped you, but I ________ really occupied the whole week．

ear the number of students who graduated with a driving license reached 200,000,a of 40,000 per year.

17 — Will someone go and get Mr White— He’s already been ____

The number of students in our school _________ 4000 and a number of them _______ good at playing Ping-Pong.