Hearing the 2008 Beijing Olympic Games ____ __, all the people in the Bird Nest burst into cheers.

I ______along the street looking for a place to park when the accident______ . 

--Where did you put my dictionary after using it this morning? --I put it back ______ I took it. 

Can you imagine the great difficulty he had ________ his driving test last week?

As the little boy ______ milk now, he doesn’t want to eat any other food.