did youstaying up so late—When I entered this school two years ago,where students have too much homework to do.

introducing the new technique, the automobile factory produced ________________ cars in 2010 as the year before.

no means shall we let out the secret.—No, no case shall we

Are __________ in Class 6— Sorry, I don’t know.

－ does Bob watch TV every day—Only half an hour after schoolwork.