A.would
B.wouldn’t
C.will
D.won’t

A.so that   
B.in order that they wanted
C.for fear that
D.for

A.in order that his students to understand it
B.so that his students could understand it
C.so as his students to understand it
D.so that his students to understand it

A.in order to fail the examination
B.so that to get knowledge
C.so as to pass the examination
D.in order that he could be illiterate

A.so tall that
B.such tall that
C.too tall that
D.enough tall to

A.so nice a weather    
B.such a nice weather
C.such nice weather  
D.so a nice weather

A.so that
B.so
C.because
D.soon

A.if
B.even if
C.as if
D.if only

A.will not have seen
B.will not see
C.has not seen
D.had not seen

A.as human
B.as if they were human
C.as though they are human
D.as they are human