If you want to make yourself _____, you should speak clearly and slowly.
| A．understand | B．understood | C．to understand | D．understanding |
There were________many people on the bus that I couldn’t get on the bus．
| A．so |
| B．such |
| C．very |
| D．quite |
Lisa decided________the swimming club．
| A．join |
| B．joining |
| C．to join |
| D．joined |
They ended up________about the story in Chinese．
| A．talk |
| B．talking |
| C．to talk |
| D．talked |
My parents________for fifteen years．
| A．married |
| B．got married |
| C．have married |
| D．have been married |
This math problem is as________as that one．I can’t work it out．
| A．difficult |
| B．more difficult |
| C．most difficult |
| D．the most difficult |