Nobody noticed the thief slip into the house because the lights happened to .
| A．be put up |
| B．turned off |
| C．turn on |
| D．goes out |
No sooner ____ they rushed out into the street.
| A．did they hear the news than | B．did they hear the news when |
| C．had they heard the news than | D．had they heard the news when |
---- David has made great progress recently.
---- ____, and ____.
| A．So he has, so have you | B．So he has, so you have |
| C．So has he, so have you | D．So has he, so you have |
____, he would have passed the exam.
| A．If he were to study | B．If he studied hard |
| C．Had he studied hard | D．Should he study hard |
____ was his kindness that everyone praised him.
| A．It | B．What | C．So | D．Such |
---- This store has such high prices.
---- I agree. Never again ____ here.
| A．I will shop | B．will I shop | C．I do shop | D．shop I |