第19题: Before 14:00.|Before 15:00.|Before 16:00.|Before 18:00.

【单选题】()4. ______ A. Was; before B. Is; before C. Was; after D. Is; after A. was before B. is before C. was after D. is after

______, he realized he made the right decision. A: Before long B: Long before C: After D: Before

" The calm before the storm" means the quiet before a bad situation.

______ 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

Toms parents will be back from London . A: long before B: before long C: before soon D: soon after

Never before_________ available for quick and easy access in so many different fields of study. A: so much free information B: were so much free information C: has so much free information been D: so much free information has been

before

Itwas_____lastyear______hecametorealizetheimportanceoflearningEnglish. A: until;before B: that;until C: until;that D: before;until

饭前洗手。 A: Wash hand before meal B: Wash hands before meal.