Either you or I __ to blame for this.
#86092
A
am
B
is
C
are
D
be
推荐题目
The cattle _______ grazing on the grass.
#86192
A
were
B
was
C
be
D
is
 China is one of________ countries in the world.
#43480
A
the largest
B
the larger
C
the large
D
larger
---What ____ the population of China ? ---China has a population of 1.3 ____.
#86163
A
is, billions
B
are; billions
C
is; billion
D
are; billion
Don’t handle the vase as if it ______ made of steel.
#85800
A
is
B
were
C
has been
D
had been