______at Harvard, he began again to write his essay
A.Busy was as he
B.Busy as was he
C.Busy as he was
D.As was he busy
正确答案是A
______at Harvard, he began again to write his essay
A.Busy was as he
B.Busy as was he
C.Busy as he was
D.As was he busy
正确答案是A