Never before ___ so highly successful in his attempts to forecast the weather accurately on a small scale.
has man been
举一反三
- 5. Never before _____ so highly successful in his attempts to forecast the weather accurately on a small scale. A: man has been B: has man been C: man is D: is man
- Never before so highly successful in his attempts to modify the weather on a very small scale. A: man has been,man is,has man been,will be man
- Never before ____ so highly<br/>successful in his attempts to change slightly the weather on a very<br/>small scale. A: man has been B: has man been C: will be man D: man was
- Man has been highly successful in his attempts to ________ the weather on a very small scale. A: erase B: repair C: resemble D: modify
- 6. The weather is so high up in the mountains that the forecast is sometimes not reliable.(change)
内容
- 0
Never ( ) the weather been so bad in November.
- 1
The weather forecast for
- 2
______ so many people put of work as today. A: Before have never there been B: There have been never before C: Never before have there been D: Have there never before been
- 3
Zhang Liang has never used ____ a good computer ____ . A: so, ago B: so, before C: such, ago D: such, before
- 4
However successful he is, he never forgets his _______ as a farm kid. A: origin B: source