问题

It is often recommended that children ________chances to get close to nature.

A:are offered
B:be offered
C:should offer
D:must be offered

正确答案是：

同类题型

So difficult ________ it to live in an English-speakingcountry that I was determined to learn English well．

Lucy with Lily _____ good at Maths. We often help them ___their Maths.

下列各句划线词的词类活用与例句相同的一项是（）例句：长短相形

Why can’t you and Bill go to the movies tonight?—We are_____ a history test tomorrow.[ ]

________ is very important in doing anyscientific work.