47.Whom would you rather ______ the work?A.to have to do B.to have do C.have to do D.have do 48.Do you think it any good ______ with him again?A.to talk B.talking C.to talking D.having talked 43.______ his telephone number,she had some difficulty getting in touch with Bill.A.Not knowing B.Knowing not C.Not having known D.Having not know 45.Go on ______ the other exercise after you have finished this one.(MET) A.to do B.doing C.with D.to be doing 43.______ his telephone number,she had some difficulty getting in touch with Bill.A.Not knowing B.Knowing not C.Not having known D.Having not know