People’s working efficiency usually decreases more or less when the temperature _________ 35℃ or even higher.
| A．approaches | B．raises | C．draws | D．drops |
The___pass mark in the exam is 60 out of 100
| A．high |
| B．maxium |
| C．minumum |
| D．good |
Remember that people online may not be what they___because it would be easy for someone to misrepresent him or___her
| A．look |
| B．seem |
| C．appear |
| D．see |
—Some Chinese students find it difficult to understand native speakers when in London
—Exactly,___they’ve learned a lot about grammar and known many words
| A．if only |
| B．now that |
| C．as if |
| D．even if |
Though our pilots today will try to approximate the original landing site,they’re___the winds,so who knows where they’ll drift off to
| A．at the mercy of |
| B．at the call of |
| C．at the service of |
| D．at the expense of |
She usually gets seasick during the___so she seldom goes there by ship
| A．trip |
| B．voyage |
| C．travel |
| D．journey |