their children due to dissatisfaction withthe educational system.

The Science Museurn，we visited during a recent trip to Britain，is one of London’s touristattractions．

To have a dinner at a restaurant on the Eve of the Spring Festival, you need to reserve the restaurant months before, _____? [ ]

What’s the of the car at present — It’s about70 kilometers an hour.

I’m very nervous before tests.-_____.You can do it well.