【题目】Many v____________ from all over the world visit the Great Wall every year.

【题目】I want to be a doctor in the f___.

【题目】I live on the __________ (twelve) floor.

【题目】—In London, people drive on the ____________ side of the road. ( )

【题目】Welcome to Hai'an. Let me ____________ you ____________. ( )

【题目】You can cross the road ____________ other people, because the drivers can see you ____________. ( )

【题目】We should ____________ in the library. ( )

【题目】The ____________ helps children care about their teeth. ( )

【题目】Liu Tao and I ____________ clowns for the fancy-dress party. ( )

【题目】It was my grandma's ____________ birthday. My mother ____________ her an i phone. ( )