-The twins who are seriously ill have decided to __________ their bodies to the research agency after their death.
—They are great.
| A．contribute |
| B．donate |
| C．adopt |
| D．sell |
_____ the old man's sons wanted to know was _____ the gold had been hidden.
| A．That, what | B．What, where | C．What, that | D．What, if |
He ______ live in the country than in the city.
| A．prefers | B．likes to | C．has better | D．would rather |
--- " ______ he open the door?"
--- "Yes, please."
| A．Shall | B．Will | C．Can | D．Would |
I will certainly be surprised if he ______ to tell them what he knows.
| A．dare | B．will dare | C．dared | D．dares |
_____ you make a little room for me?
| A．Should | B．Could | C．May | D．Must |