第1题
A.but wait
B.except waiting
C.only to wait
D.unless they waited
第3题
A.was rebuilding
B.was being rebuilt
C.would be rebuilt
D.had been rebuilt
第5题
A、He was also a Doctor.
B、He loved reading.
C、He started the first public library in Philadelphia.
D、He was 81 when he went to the Constitutional Convention.
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