7 . 根据语境，选择下框中的单词或短语，必要时用正确的形式填空。框中有两个为多余的单词或短语。

attach       escape       launch       maintain     figure out                run out       result in     trip over     be about to     be willing to

1. If you ________ fly at night, you can get a much cheaper ticket.
2. Brad Pitt sent Angelina Jolie an Email, with a document ________ to it.
3. Leonardo DiCaprio needed a vacation________ the boredom of daily life.
4. Tom Cruise almost________ the phone line, but he managed to stay on his feet.
5. The rain lasted a month, ________ a serious traffic confusion in the whole area.
6. When________a new product, the company should pay attention to price, promotion and target market.
7. Balance is the ability ________ an upright posture (垂直的姿势) while either standing still or moving.
8. Will Smith walked onstage and slapped (拍) Chris Rock across the face because Will’s patience________ at that moment.