When Tom got to the examination room, he realized he ______ his pen at home.－Oh, he is too careless.

What a surprise! Harry used to get nervous because he couldn’t organize his ideas well _________ to express _________ clearly.—Great, havent’t you heard, “Where there is a will, there is a way.” Let’s give him a big hand.

_____ water do you want to drink?[ ]

Mike, can you tell us something about our new teacher?– Oh, sorry. I know nothing because I _____________ him before.

_____ soldiers and doctors have been in Wenchuan to help the people there.