A.if possible | B.if any | C.if ever | D.if necessary |
A.If so | B.When necessary | C.On condition that | D.Believe it or not |
A.Sooner or later | B. Once in a while | C.To be exact | D.Believe it or not |
A.Who;to be | B.Who;will be |
C.Whom;to be | D.Whom;will be |
A.worse still | B.that means |
C.what’s the matter | D.what else |
A.Still worse | B.bad still | C.Badly still | D.Worse still |
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