The new treatments________by Norman Bethune helped a number of soldiers．
| A．invent |
| B．invents |
| C．inventing |
| D．invented |
John can play ________ guitar，but he can’t play ________ chess．
A．the；／
B．／；the
C．the；the
________ you dance？We need some more actors for the talent show．
| A．Need |
| B．Shall |
| C．Must |
| D．Can |
—Shall we go ________ on Sunday？I love water sports．
—That’s a good idea．
| A．hiking |
| B．swimming |
| C．cycling |
| D．skating |
He lost his key．It made him ________ in the cold to wait for his wife’s return．
| A．to stay |
| B．stayed |
| C．stays |
| D．stay |
—Do you know the song Gangnam Style？
—Of course．It ________ interesting．
| A．tastes |
| B．smells |
| C．sounds |
| D．feels |