You’d better give up _________ , or it will do harm to your health.

We never doubt that those who have a strong will can succeed_____.[ ]

下列各句中,没有语病的一句是

Many people say they have seen Unidentified Flying Objects, which, they believe, ________alien spaceships.[ ]

Since then the population of London________by almost 50,000 a year—an increase largely fuelled by immigration