The world’s biodiversity is declining at an unprecedented rate, which makes wildlife ________.

A.  

prosperous

B.  

vulnerable

C.  

prefect

D.  

remained

Đáp án đúng là: B

The forecast has revealed that the world’s reserves of fossil fuel will have ________ by 2015.

Scientists warn that many of the world’s great cities are _______ flooding.

The 1st week of classes at university is a little ______ because so many students get lost, change classes or go to the wrong place.

The climate is not dry at all; in fact, they have ____ of water.

The boy waved his hands to his mother, who was standing at the school gate, to ………….. her attention.

The computer has had an enormous _________ on the way we work.

The Malaysian unit of __________ is the Ringgit.

The soldier getting _________ when rescuing the little boy is now takne to the hospital.

The Freephone 24 Hour National Domestic Violence Helpline is a national service for women experiencing domestic violence, their family, friends, colleagues and others calling on their behalf.