To their great ___, they got the bad news that their English teacher had been in hospital for quite a few days.
More and more foreigners are working in China, ______?
The day before yesterday, I ______ one of my old friends in the street.
The girl often helps her best friend, ______ is not good at English. To their delight, his English is improving day by day.
When Li Lei was a small child, he hoped to be ______ policeman after he grew up and finally his dream came true.
The construction of the gym caused much noise, it difficult for people nearby to sleep.