It has been proved_______eating vegetables in childhood helps to protect you aga

题型：同步题难度：来源：

It has been proved_______eating vegetables in childhood helps to protect you against serious
illnesses in later life.[     ]
A. if
B. because
C. when
D. that

答案

举一反三

Elephants have their own way to tell the shape of an object and____it is rough or smooth.[     ]
A.不填
B. whether
C. how
D. what

题型：同步题难度：| 查看答案

The traditional view is_____we sleep because our brain is" programmed" to make us do so.[     ]
A. when
B. why
C. whether
D. that

题型：同步题难度：| 查看答案

Leave your key with your neighbor      you lock yourself out one day. [     ]
A.  as long as
B.  even though
C.  in case
D.  as if

题型：辽宁省高考真题难度：| 查看答案

It doesn"t matter _________you turn right or left at the crossing ,both roads lead to the park.[ ]
A. whether
B. how
C. if
D. when

题型：天津高考真题难度：| 查看答案

Everything was placed exactly ______he wanted it for the graduation ceremony.[ ]
A. while
B. when
C. where
D. though

题型：天津高考真题难度：| 查看答案