The big fire in Shanghai, believed to ______ due to the burning of construction materials, caused

How’s your idea about your coming weekend? —I ____ flying to Hainan, but my wife ____ Shenzhen.

Could I keep this book for another week?—Of course you .

_____ ! The bus is coming. — Oh, no. It’s too dangerous to cross the street now.

Could you ___ us ___some information about all kinds of vacations?