More than one company ___ the new design to market only to see it quickly denied by those who couldn’t wear them.
A. has taken B. has been taken C. have taken D. have been taken
During our stay in London, the guide book ___ a great help. We all had a wonderful time.
A. behaved B conducted C. served D. proved
Her behavior is __________.
A. worthy praise B. worthy to be praised
C. worth to be praised D. worth being praised
—The room is so dirty, _____ we clean it?
—Of course.
A. will B. shall C. would D. do
There are many kinds of birds in Australia, and over 140 species of snakes, ______are extremely dangerous.
A. many of those B. many of that C. many of which D. many of what
_____ makes a new invention such a wonderful thing is ____ it allows us to do something ____ we could not do before.
A. What; what; what B. That; that; \ C. What; that; \ D. That; what; that
