________about her son’s future, the mother has been sleeping very badly these months.
| A．Concerning | B．Concerned |
| C．To concern | D．Having concerned |
The two boys were fighting each other, and it was hard for the old man to __________ them.
| A．divide | B．separate |
| C．keep | D．prevent |
You're eighteen years old. You should __________ your family.
| A．independent of | B．independent from |
| C．be independent of | D．be independent from |
__________ the warm and sunny weather, bananas grow very well in Hainan.
| A．Next to | B．Such as |
| C．Instead of | D．Because of |
As the story __________, the truth about the strange figure is slowly discovered.
| A．begins | B．happens |
| C．ends | D．develops |
When the girl was two years old, she had an interest __________ learning English, so her mother read three words to her __________ average every day.
| A．in; on | B．in; in |
| C．on; in | D．on; on |