Luo Yang devoted all his life _________for China Nation Aviation(中国航天).
| A．to work | B．work | C．to working | D．worked |
--- Why not go to Lao She Tea house tonight? --- ______
| A．It doesn’t matter | B．Thank you |
| C．Sorry to hear that | D．Sounds great |
It’s cold outside. ______ your sweater before you go out.
| A．Put on | B．Turn on |
| C．Put up | D．Give up |
The teacher did what he could _____ his students.
| A．help | B．helping |
| C．helps | D．to help |
He works _____ in English, but he can ____ make progress.
| A．hardly, hardly | B．hardly, hard |
| C．hard, hard | D．hard, hardly |
Teachers often tell their students _______ across the road when the traffic light is red.
| A．not go | B．not to go |
| C．don’t go | D．didn’t go |