I think _________ history about China is very important.
A. study
B. studying
C. studied
Her sister isn’t ________ to carry the box on her own.
| A．enough strong | B．strong enough |
| C．enough old | D．old enough |
Tom spent two years _________ his book.
| A．finishing writing | B．to finish writing |
| C．finishing to write | D．to finish to write |
Jack asked _________.
| A．when he will arrive tonight |
| B．when will he arrive tonight |
| C．when he would arrive that night |
| D．when would he arrive that night |
She asked ___________.
| A．if I have already got well | B．whether I had already got well |
| C．have I ready got well | D．I had already got well |
After I moved to Guangzhou, it took me two months to ______ here.
| A．be used to live | B．use to live |
| C．used to living | D．get used to living |