_______ the secret of nature, the young scientist h
as little time for entertainment.
| A．Devoted to bring out | B．Devoted himself to bringing out |
| C．Devoted to bringing out | D．Devoting to bring out |
--- Are you worried about her safety?
--- Just ________. She isn’t alone.
| A．entirely | B．gradually |
| C．generally | D．slightly |
More consumers are waiting for the further drop of housing prices with money in their hands rather than ______ houses, according to a report.
| A．to buy | B．buying |
| C．buy | D．bought |
Nobody believed his reason for being absent from the class __________he had to meet his uncle at the airport.
| A．why | B．that |
| C．where | D．because |
Shall we go ____ downtown to buy some clothes of high quality?
| A．to | B．the |
| C．不填 | D．to a |
____ we are alone, we can speak freely.
| A．Now that | B．Though |
| C．Even if | D．As if |