Children’sbrainscannotdevelopp

Children’s brains cannot develop properly _________ they lack protein.

A．because

B．since

C．when

D．unless

登录免费查看答案和解析

相关试题

Had you taken the doctor’s advice yesterday, you ____ all right now.

A．are

B．were

C．would be

D．would have been

收藏答案/解析

--- I’m sorry. I ___________ at you the other day.
--- Forget it. I was a bit out of control myself.

A．shouldn’t shout	B．shouldn’t have shouted
C．mustn’t shout	D．mustn’t have shouted

收藏答案/解析

The family is faced with lots of trouble, _____ the house problem is the worst.

A．which

B．with which

C．That

D．of which

收藏答案/解析

_____ great progress we have made, we should not be conceited.(自大的)

A．Whatever

B．How

C．However

D．What

收藏答案/解析

Entering the garden, I found it ____ with ____ leaves.

A．covering; fallen

B．covered; falling

C．covering; falling

D．covered; fallen

收藏答案/解析