The tiger, once a ____ animal to humans, is now ____ of disappearing on the earth.
A．dangerous, danger B．dangerous, in danger
C．in danger, in danger D．danger, in danger
We shouldn’t spend our money testing so many people, most of ____ are healthy.
A．that B．which C．what D．whom
I won’t see the film tonight. I am busy. ______, it is raining cats and dogs.
A．Beside B．However C．Besides D．As well as
Computers in offices and homes since 1970s．
A．have been used B．had been used C．was D．has been used
More attention must be paid the endangered animals..
A．protect B．to protect C．to protecting D．protecting
She doesn’t like the way _______ you speak to her.
A．to B．in that C．how D．in which
