—Would you like to climb mountains with me this Sunday?—I’d love to. But I _______ play table tennis against Class Three.
—Peter, do you know if David _________us in the fashion show this Sunday? —I’m sure if he _________his homework, he will join us.
If you are an Englishman, you may say “________________”
My mother was waiting for me patiently _______ I was having my breakfast,.
If there _____no buying and selling of a nimals, there___ no killing in nature.
--I don’t know if his uncle ________. --- I think he ________ if it doesn’t rain .