—I can’t find Mary. Where’s she?
—Sorry, I don’t know ______.
| A．where has she been | B．where she has been |
| C．where has she gone | D．where she has gone |
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 |
The librarian told the readers _________ loudly in the library.
| A．to talk | B．not to talk | C．talk | D．talking |