.They recognized each other ________ they met in the church even though they hadn’t kept in touch for many years.
He was walking along the sands _______ he saw a big foot-print in the sand .A. while B. when D. as D. after
_______ he was sleeping , they stole his clothes.
Jack was very tired _______ he played tennis all afternoon .
______ he finished his work , he left hurriedly.
You’ll surly make progress _______ you work with a strong will.