__ It is so late. Our son __________ be back .
__ Don’t worry . I dare say he ________ have some extra work to do.
| A．can ; must | B．will ; might | C．should ; must | D．must ; may |
She left the city, ________ never to return.
| A．determined | B．to determine | C．determining | D．having determined |
The film is well worth _________.
| A．seeing | B．to see | C．of seeing | D．seen |
It should not be a question of humans_________ and nature ____________.
| A．win; losing | B．winning; lost | C．win, lost | D．winning, losing |
The couple decided to ____________ a child because they couldn’t have babies.
| A．adapt | B．adopt | C．receive | D．keep |
He is the first_________hardships, the last__________comforts.
| A．bearing; enjoying | B．bearing; to enjoy |
| C．to bear; to enjoy | D．to bear; enjoying |