Land animals are believed ______ from sea animals.
| A．to have developed | B．to have been developed |
| C．having developed | D．having been developed |
.If he succeeded _______ a job, his children wouldn't be suffering from hunger now.
| A．to find | B．to look for | C．in finding | D．in looking for |
The sentence needs _______.
| A．improve | B．a improvement | C．improving | D．improved |
It's no use _______ so much money on clothes.
| A．spend | B．spent | C．spending | D．being spent |
. _______ his mother, the baby could not help _______.
| A．To see ；to laugh | B．Seeing ； to laugh | C．Seeing ；laughing | D．To see ；laughing |
_______ the news of his father's death, he burst into tears.
| A．After hearing | B．On hearing | C．While hearing | D．Having heard |