Lifting off at sunrise, the hot air balloon goes wherever the wind blow.
--Why didn’t you come to Simon’s party last night? ---I wanted to, but my mom simply _________ not let me out so late at night.
–Who should be responsible for the accident? --The boss, not the workers. They just carried out the order _____.
—Mum, would you please buy me an MP5 player? —If you can help do the dishes the whole vacation, you ________ have one as a reward.
The librarian took a story book _____ from the shelf and gave it to the girl.
__________, he talks a lot about his favorite singers after class.