Too high house prices can be brought under control, ________ the authorities introduce a series of regulatory policies.
| A．even if | B．as if |
| C．so that | D．provided that |
We’ve just heard a warning on the radio that a typhoon is ________ to come this evening.
| A．likely | B．possible |
| C．probable | D．believable |
________to reach them on the phone，we sent an email instead.
| A．Fail | B．Failed |
| C．To fail | D．Having failed |
Bill wasn’t happy about the delay of the report by Jason，and________.
| A．I was neither | B．neither was I |
| C．I was either | D．either was I |
At the meeting they discussed three different________to the study of mathematics.
| A．approaches | B．means |
| C．methods | D．ways |
—Jack has spent an hour in the shoe shop.Hasn’t he decided which pair of shoes to buy?
—Maybe.Young as he is，he is________about his appearance.
| A．special | B．curious |
| C．particular | D．serious |