The boy pretended _______ when the teacher came in.

collected plenty of historical evidence, provedthat humans used to have different sleeping patterns.

He has got ___________time to play because he often helps his mother with the housework.

— I’m going to Japan. — How long _____you _____there? [ ]

I’d like to play football with you, but I have an important thing to attend to. —If you don’t go, __________.