You’d better come back earlier _______ it is getting colder.

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.

 _______, I am sure that he is honest.

 It won’t be long _______ you regret what  you’ve done.

I’ll leave him a note _______ he’ll know where we are.

It is often said that an American starts a speech with a joke , _______ a Japanese has an apology to make.