___________there are many different types of food, some animals spend their lives eating only one type.
#31689
A
Since
B
Unless
C
Once
D
While
推荐题目
John may phone tonight.I don't want to go out _______ he phone.
#31286
A
as long as
B
in order that
C
in case
D
so that
Istill remember the day when I said goodbye to my family, ________on the plane and started my journey to London.
#31182
A
to step
B
stepping
C
stepped
D
having stepped
The roof fell ________ he had time to dash into the house to save his baby.
#80270
A
as
B
after
C
until
D
before
— What do you think of Jenny? — Well. She is pretty, but I don’t like the way ____ she stares at me.
#33265
A
in whi ch
B
that
C
/
D
all A, B, C
--- This is the same watch ______ I left on the playground yesterday. --- How can it be possible? I bought _____ the other day.
#30876
A
that; one
B
that; it
C
as; one
D
as; that