Lucy has a great sense of humor and always keeps her colleagues___with her stories
| A．amused |
| B．amusing |
| C．to amuse |
| D．to be amused |
.The boy told his father that he would rather ______ an astronaut.
a. become b. to become c. becoming d. became
.He is really incompetent! The letter ______ yesterday.
a. should be finished typing b. must be finished typing
c.must have finished typing d. should have been finished typing
You ______ the examination again since you had already passed it.
a. needn’t have taken b. didn’t need to take c. needn’t take d. mustn’t take
“I wonder why they’re late.” “They ______ the train.”
a. can have missed b. could miss c. may have missed d. might miss
The elephants ought ______ hours ago by the keepers.
a. to be fed b. to feed c. to being fed d. to have been fed