—Can I drive on the free way, Mr．Green?
—You can when you____________ a bit more skilled．
| A．will get | B．are getting | C．will have got | D．get |
You cannot accept an opinion ________ to you unless it is based on facts.
| A．offering | B．to offer | C．having offered | D．offered |
（2013·湖南卷) ________ warm at night, I would fill the woodstove, then set my alarm clock for midnight so I could refill it.
| A．Staying | B．Stayed | C．To stay | D．Stay |
（2013·北京卷) the course very difficult, she decided to move to a lower level.
| A．Find | B．Finding | C．To find | D．Found |
（2013·北京卷)When we saw the road with snow, we decided to spend the holiday at home.
| A．block | B．to block | C．blocking | D．blocked |
（2013·大纲卷）I got to the office earlier that day, the 7:30 train from Paddington.
| A．caught | B．to have caught | C．to catch | D．having caught |