问题

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

正确答案是：

同类题型

Mrs White showed her students some old maps ________ from the library[ ]

Stress can be very harmful to your health. Exercise, ______, can reduce its bad influences.— I can’t agree more.

(2014·江苏四校第四次考试)I can not understand why the issue of Syria has become so complicated________I learn more from the media.

Tom has been out of work for two years, so he has difficulty _____.

But why ? He simply ignored my words.—He couldn’t have heard you. Look, he’s ________in the book.