---Everybody is playing on the playground. Can I join them , Miss Lin? --- __________________ Not until you have completed the Maths exercises.
Sandra works in a big factory. She’s_________worker.
China is developing _________ of all the countries in the world.
A moment, please.I’m checking if Mr. Smith _________ free tomorrow.
—Is Jessica giving us a speech this evening?—No, it _________ be her.She _________ to Japan.
—Sorry, sir. I made a mistake again. —_________ Practice more and you will do better.