Where is my pen? —Oh, sorry, I have taken________ by mistake.

After finishing your paper, look it over to _____ there are no mistakes.

Jim wants to take part in the torch relay (火炬接力) of the 2008 Olympic Games. — _________. [ ]

Mum, I can’t find my new pen.—Don’t worry. It ____________in one of your pockets.

Lucy doesn’t mind lending you her dictionary.—I think she doesn’t, but I ________do so. I’ve already borrowed one.