The firemen in Tianjin explosion scene devoted their lives ____ the spread of pollution.
| A．to preventing | B．to prevent |
| C．for stopping | D．to stop |
You must keep in good_____.
| A．healthy | B．health | C．unhealthy | D．healthily |
I have_____ friends, so I am lonely.
| A．few | B．a few | C．little | D．a little |
He has_____ work to do, so he can’t go with you.
| A．much too | B．many too | C．too much | D．too little |
The students_____ until the heavy rain stopped.
| A．didn’t go | B．went | C．are going | D．can’t go |
I’m sorry_____ that you’re not feeling_____.
| A．to hear, good | B．hear, good |
| C．hear, well | D．to hear, well |