Susan wanted to be independent of her parents. She tried ___________alone, but she didn’t like it and moved back home. 
#97905
A
living
B
to live
C
to be living
D
having lived
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____several times,but unfortunately,the boy still couldn’t smooth away the problem on his own.
#98193
A
Having been explained
B
The problem having been explained
C
The problem had been explained
D
Although the problem had been explained
The school required ____.
#98657
A
rebuilding
B
to be re uilt
C
to have rebuilt
D
rebuilt