When ho came back from his work,it was half past nine.=He _____come back from his work ____9:30.
问题描述:
When ho came back from his work,it was half past nine.=He _____come back from his work ____9:30.
(同义句转换)
答
He (didn')come back from his work (until) 9:30.
not...until句型