He came back late,( )all the guests had already left.

He came back late,( )all the guests had already left. He came back late,____which time all the guests had already He came back late,___which time all the guests had already l He came back late,________which time all the guests had alre ,一道填空是这样的 he came back late,（by） which time all the guests h John came back late,___________ which time all the guests ha When he came back,he found the bag he had left ______ over t When they___,the guests had left There were some chairs left over _____ all the guests had sa When John came back ,he found the bag he had He came back for the book （ ） he had forgotten. he came back on -----and left on---------.