The Yellow River is ________ river in China.
| A．the longest | B．the longer |
| C．the second longer | D．the second longest |
The boy ran away _____________ I could say a word.
| A．before | B．when | C．until | D．after |
We found it ______ on well with him.
| A．easily to get | B．is easy to get |
| C．easy to get | D．that easy to get |
This piano is too big. Can you make_______ for it?
| A．a space | B．some spaces |
| C．some rooms | D．some more space |
You seem ___________. What are you____________?
| A．worry; worrying about | B．worry; worried about |
| C．worried; worrying about | D．worried; worry about |
I really don’t know _______________.
| A．where to travel to | B．how to work out |
| C．what to do it | D．who to talk to |