单选题 Tim Cook called his mother every week even while he ____ around the world.

单选题 -----Nobody knows which team will win the 2014 World Cup in Brazil. -----Yes. That is the ______ of the beautiful game.

单选题 --Mum,the visit to the science museum is so wonderful. --Really?Could you tell me____ ?

单选题 He was wearing a pair of sunglasses and I didn't ____ him at first.

单选题 ____ the dinner was all over,everyone helped wash the dishes.

单选题 Because it ____ every day,the window is very clean.

单选题 Sitting down after a walk is relaxing.But do you dare to sit on a seat ____ tells you your weight?

单选题 She has _________ her mind and is going to Canada instead of Japan.