【题目】 It’s polite to__________ the door first before you go into someone else’s room.

【题目】The shy girl is afraid of giving a (speak) in front of so many students.

【题目】We don't know much about (Africa) culture.

【题目】I like to watch football games ______ TV.

【题目】 I hope _______to my birthday party next Friday.

【题目】—Where’s your picture？

【题目】 The ring looks very nice. It was made ______ silver.

【题目】---Could you please tell me where ? ---The boss is waiting for him.

【题目】—Helen，when did you move here?

【题目】 —I can’t stand the smell of the stinking tofu．