能不能解释一下这5道英语语法题?

能不能解释一下这5道英语语法题?
1.I have just heard____story you can imagine.B(whynot D)
A.the very fantastic B.the most fantastic
C.a more fantastic D.a veryfantastic
2.I play tennis but____my brother does.A(why not C)
A.not half as well as B.not half as well than
C.not half better than D.not half so better as
3.A person whodrinks alcohol in spite of the fact that it results in loss of health,job,orgood relationships with family,friends,and colleagues is said_____ fromalcoholism.B
A.to suffer B.to be suffering
C.suffering D.to have suffered
4.Would-berestaurant owners often fail to carefully consider the competitionfrom otherrestaurants,_____informal.B
A.both fancy and B.either fancy or
C.not only fancy but also D.not fancy but
5.If you findit in your heart to care for somebody else,you______ infinding meaning inyourlife.C(why not A)
A.will succeed B.would succeed
C.will have succeeded D.would have succeeded