---_______ one and a half months enough for the project to be finished?
---I am afraid not. The professor is ill and only after he recovers ________ go on with it.
| A．Is; he can | B．Are; he can | C．Is; can he | D．Are; can he |
______struck me most in the movie was the father’s deep love for his son.
| A．That | B．It | C．What | D．Which |
It was with the help of the local guide ______ the mountain climber was rescued.
| A．who | B．that | C．when | D．how |
— What are you doing this Saturday?
— I’m not sure, but I go to the Rolling Stones concert
| A．must | B．would | C．should | D．might |
______we have enough evidence, we can’t win the case.
| A．Once | B．As long as | C．Unless | D．Since |
John invited about 40 people to his wedding, most of ______ are family members.
| A．them | B．that | C．which | D．whom |