He ________ to swim when he was five.

What do you think of the lecture of Li Yang’s Crazy English — I think it’s _______ , but someone thinks it’s much too ________.

I’m sorry I my exercise book at home.—Don’t forget it here tomorrow,please.

ou think we should put an ad in the paper forthe lost child— Yes, ______

－Excuse me, are you and Simon in Class 2, Grade 7 － _________.