名词性从句练习1.It worried her a bit _ her hair was turning gray.A.whether B.that C.what D.when2. It doesn t matter _he s come back or not. A. if B. whether C. that D. when3.Later they arrived in _ is called the Cape.A.that B.where C.what D.which4. The shocking news mad me realize _ terrible problems we would face. A. whatB. howC. thatD. why5. Weve offered her the job, but I dont know_ shell accept it.A. w