A.which I think is | B.which I think it is | C.I think is which | D.I think it is |
A.This | B.That | C.What | D.There |
A.If ever | B.If possible | C.If so | D.If not |
A.so little | B.such little | C.how little | D.what little |
A.he realized | B.did he realize | C.realized he | D.he did realize |
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