The only means to achieve success ___ to appeal to arms.
#86175
A
is
B
are
C
were
D
have
推荐题目
____ can be done ____ been done. 
#86207
A
All;have
B
All that; have
C
All; has
D
All that; has
Neither the children nor the teacher________.
#85714
A
is to blame
B
are to blame
C
is blaming
D
are blaming
President Obama has two daughters, _____ able to fit in well with their citizens.
#85696
A
both of them are
B
none of them are
C
both of whom are
D
neither of who is