Ninety-six point five percent of the water on the earth ______ sea water.
#86085
A
are
B
is
C
was
D
were
推荐题目
There ______ quantities of apples in the basket and there was ______ milk in the bucket.
#85783
A
were; a number of
B
was; quantities of
C
was; a good many
D
were; a quantity of
It’s difficult ______ this work today.
#43615
A
to finish
B
finished
C
finishing
D
finishes
 "All____present and all ____ going on well."our monitor said. 
#86206
A
is; is
B
are; are
C
are; is
D
is; are