299. Heal(治愈) ____ , rescue ____, practise humanitarianism(人道主义) is the sacred duty of all the doctors and nurses.
| A．wounded ... dying | B．the wounded ... dying |
| C．wounded ... the dying | D．the wounded ... the dying |
He is believed____________ in at his office on his way home.
| A．dropping | B．to have dropped |
| C．having dropped | D．to be dropped |
The boss____________ the worker how to do it, or the accident couldn't have happened.
| A．can't have told | B．ought to tell |
| C．could have told | D．mustn't have told |
She liked the dictionary so much that she would like to take it ____________ it cost.
| A．why | B．how much | C．whatever | D．how expensive |
--Have you any oranges and apples?
--__________
| A．Yes, madam, on the second shelf over there |
| B．The oranges are very cheap. |
| C．You like apples, don’t you? |
| D．Of course, we have some fruits. |
Keep up good state of mind even if you___________ fail plenty of times.
| A．must | B．will | C．can | D．should |