No worker and no engineer           who it is that is           for the explosion of the chemical factory.
#85749
A
know; to blame
B
would know; blamed
C
know; to be blamed
D
knows; to blame
推荐题目
I think ______ of the materials I listened to at the beginning of the exam ______ easy.
#44317
A
three fourths, is
B
third four, are
C
three fourths, are
D
three fourth, are
Her shoes ____ black. Her ____ are grey. 
#44178
A
is; coat
B
are; jeans
C
are; dress
D
are; shirts