Some of the rubbish, such as wood, paper and iron,_____ away over a long period of time.

Our geography teacher told us to _____ more information about our city and share it next week.

－Will Daniel come to our gathering? (福建省)－______not,for he is much too busy with his research work

John’s father went to Nanjing ________ten days ago.

Is the blue ruler _______ —No. _______ ruler is red.