In our school every student has to choose a club to join，so about one students have joined the Sports Club.（ ）
A．hundred ofB．hundreds of
C．hundredD．hundreds
You have a nice car．
Thank you．I __________ it for less than one month．（ ）
A．boughtB．have bought
C．hadD．have had
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