My mother goes to work __________.[ ]

There are two _____people living in the city.

Can people drive after drinking a glass of beer?—No. According to the law they _________.

With 4G mobile phones, people can even see each other as they talk. —-Really? Would you show me it, please?

It is______ a sharp knife ______I can use it to cut open a hard pumpkin.[ ]