You should never base anything on a theory that _________ impractical in practice.
#86010
A
is proved
B
prove
C
proves
D
proved
推荐题目
The number of people invited ____ fifty, but a number of them ___ absent for different reason.
#85769
A
were; was
B
was; was
C
were; were
D
was; were
The class ______ big. Now the class_______ practicing swimming.
#85799
A
are ;are
B
is ;is
C
is ; are
D
are ; is
Either you or one of your family members __________the opening ceremony next week.
#85863
A
attends
B
attend
C
is to attend
D
are to attend