______ that he managed to get the information?— Oh, a friend of his helped him. [ ]

When did he go to Beijing—He went there may 12th

I didn’t see you when I came here last night. Where were you—I my project at home.

We tried ________ to persuade him to stay home, but at last, he went to the construction site in spite ofhis bad illness.[ ]

Not until he left his home _____ to know how important the family was for him.