71.----- ,if he doesn’t learn he knows nothing.

71._____ ,if he doesn’t learn he knows nothing.
71._____ ,if he doesn’t learn he knows nothing.
A.A man is ever so clever
B.Be a man ever so clever
C.So clever as a man ever is
D.No matter how a man is clever
72.If the work _____ completed by the end of this year is delayed,the construction company will be fined.
A.being
B.to be
C.will be
D.has been
73.He sat there doing nothing else _____ .
A.but to laugh
B.than laughing
C.but laughed
D.than laugh
74.Who ____ has read Shakespeare’s great plays can forget their fascination?
A.that
B.which
C.who
D.ever
75.There is no mother ____ loves her own children.
A.who
B.that
C.but
D.who not
76.I would just as soon ___ rudely to the child.
A.you not speak
B.you won’t speak
C.you not speaking
D.you didn’t speak
77.____ the way,we set off on foot into the dark night.
A.The guide led
B.Whit the guide leading
C.With the guide to lead
D.With the guide lead
78.I admit I have made a mistake,_____ I deny the serious consequence it may have.
A.so will
B.so
C.nor will
D.how can
79.Most parents encourage their children to take an active part in social events,___ those events do not interfere with their studies.
A.so that
B.so
C.nor will
D.how can
80.Michael as well as his wife ____ the Summer Palace three times.
A.have gone to
B.have visited
C.has visited
D.provided