Once education is made free，many children who have dropped out of school .
| A．will come back | B．came back | C．have come back | D．had come back |
Don't rush. There's still ______ time left.
| A．more | B．a lot | C．a little | D．a few |
-----Do you know if the old man is still living?
----- I'm sorry. He _________. He ______ for two months.
| A．died, has died | B．has died, has been dead |
| C．has been dead, died | D．has died, has dead |
Silk ________ in _______ China.
| A．produce, the southeast | B．is produced, southeast |
| C．is grown, southeast | D．is produced, the southeast of |
_______ it goes on, hour ________ hour.
| A．So, after | B．Such, by | C．That, after | D．/ by |
The headmaster _________ a noisy boy from the library.
| A．sent for | B．sent out | C．sent back | D．sent away |