A.piece
B.unit
C.item
D.section

A.Hardly when Lan had some shocking words on her facebook everyone knew her.
B.Only after Lan had some shocking words on her facebook everyone knew her.
C.Only when Lan had some shocking words on her facebook did everyone know her.
D.Until Lan had some shocking words on her facebook did everyone knew her.

A.Hardly when Lan had some shocking words on her facebook everyone knew her.
B.Only after Lan had some shocking words on her facebook everyone knew her.
C.Only when Lan had some shocking words on her facebook did everyone know her.
D.Until Lan had some shocking words on her facebook did everyone knew her.

A.As long as my brother is at home, he will be able to help me.
B.If only my brother had been at home and could have helped me.
C.If my brother is at home, he can help me now.
D.I wish my brother were at home and could help me now.

A.Zoos: The Best Opportunity to Learn About Animals
B.Methods of Learning About Animals at School
C.Learning About Animals at School
D.Research on Learning About Animals

A.Zoos: The Best Opportunity to Learn About Animals
B.Methods of Learning About Animals at School
C.Learning About Animals at School
D.Research on Learning About Animals

A.loving
B.dishonest
C.healthy
D.hateful

A.altitude
B.stimulate
C.company
D.decision

A.the soon
B.the sooner
C.the soonest
D.the more soon

A.white Egypt ancient
B.ancient white Egypt
C.Egypt ancient white
D.Egypt white ancient