A.Though he is careful teacher | B.As he is careful |
C.A careful teacher as he is | D.Being a careful teacher |
A.If so | B.If not | C.Unless so | D.Unless not |
A.earning livings | B.earning his living | C.to earn livings | D.to earn his living |
A.As sad it is | B.It is as sad | C.Sad as it is | D.Sad as is it |
A.isn’t it | B.is it | C.hasn’t it | D.has it |
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