He came back late,________which time all the guests had alre

He came back late,________which time all the guests had alre 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 ,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 John came back ,he found the bag he had He came back for the book （ ） he had forgotten. by the time I came back they had climbed up.. All the students came back on time excapt When he came back,he found the bag he had left ______ over t He came back for the book which he had forgotten这句对吗?which能换