1.She has made it clear _______ she will have nothing to do with him.
A.what B.which C.whether D.that
2.It is even known to children ______ one plus one is equal to two.
A.that B./ C.how D.and
3.I really don't know ______ that overhead bridge will be finished.
A.how long B.how far C.how soon D.how often
4.Our class teacher said ______ when to visit the Shanghai Radio and TV Tower hadn't been decided yet.
A.whether B.that C.if D.and
5.What _____ would happen if your mother knew you felt that way?
A.you suppose B.do you suppose C.will you suppose D.you would suppose