Why did you go to London two years ago— I went there with the aim of learning English.

increasing number of middle school students go abroad for further study at their own ________, trying hard to realize their dreams.

It just isn’t fair；________I was working as a waiter last month，my friends were lying on the beach.

Mr. Wang used to dinner in the restaurant, but now he is used to every meal with his family at home.

The traditional view is ________ we sleep because our brain is “programmed” to make us do so.