Trees can prevent the wind _____ the earth away.
Mum, the phone is ringing, I guess either you or Dad ___________ on the phone.
―_______is the weather in Tokyo, Tommy? ― It’s snowing. The children can make snow-man outside.
―______________ ―Because they are very smart.
―Why not _____ music here, Jack? ―Sorry, I don’t like the music. May I listen to the CDs by S.H.E?
―Where is your mom, John? ―My mother is talking ____ my teacher ____ my study.