What seems to be a simple idea always turns out _____ that is hard to put into practice．
#14806
A
the one
B
one
C
ones
D
another
推荐题目
The government should try to do ___________ to improve the food quality.
#56563
A
nothing
B
anybody
C
something
D
somebody
Someone is ringing the doorbell．Go and see ________
#14966
A
who is he
B
who he is
C
who is it
D
who it is
—Have you found your lost mobile phone? — No, I haven’t found , but I bought this morning.
#56617
A
one; that
B
that ; one
C
it; one
D
one; it
Little joy can equal___of a surprising ending when you read stories.
#16456
A
that
B
those
C
any
D
some
We can't avoid negative thoughts，but we should make it a habit to replace each negative thought with a positive________．
#14841
A
one
B
ones
C
the one
D
that