Now teenagers __________to do voluntary work for their local commodities.
A．are encouragedB．were encouraged
C．have encouragedD．are encouraging
My grandpa knows the history and medical _______ of many plants．（ ）
A．wealthB．priceC．valueD．cost
I went from a school desk to a ship in my teens．
_____________days would you be at sea？Homesick？（ ）
A．How longB．How manyC．How muchD．How soon
Mrs．White is ________enough to spend her spare time on our maths problems．（ ）
A．confidentB．curiousC．wiseD．generous
__________bad news!We didn't win the 15th Sudirman Cup．
It's a pity．（ ）
A．WhatB．What aC．HowD．How a
What are you reading？
A book about a baseball player．This guy was well __________for his devotion to charity work．（ ）
A．enjoyedB．respectedC．behavedD．expected