【题目】The number of people invited ______ fifty, but a number of them ______ absent(缺席) for different reasons.

【题目】—Why are you so happy?

【题目】The tourists ______ have been to Mount Huang lost ______ in the beautiful scenery there.

【题目】There are some tales about dragons ______ ____ __ wings.

【题目】The man to ______ my father is speaking is my uncle.

【题目】He must be the captain ______ group got the first prize in the ping-pong game.

【题目】—Do you like to talk with your friends on the phone or by writing letters to them?

【题目】—Can you the sentences into clauses(分句)?

【题目】.—Wow, what ______ snow!

【题目】—Have you read the poems ______ are written by Du Fu?