单选题 The young girl with______ I travelled could speak English.

单选题 The old man has two sons,______ are lawyers.

单选题 I,______ your good friend, will try my best to help you out.

单选题 Is this the place______ that traffic accident occurred?

单选题 She will fly to Guangzhou,______ she can enjoy herself.

单选题 The sun heats the earth,______ we all know.

单选题 The day will come______ there will be no war,a day______ peace-loving people have been waiting for.

单选题 He is a man of great knowledge,______ much can be learnt.