________that we can’t get the necessary equipment，we will have to give up the experiment.
A．To assume B．Assumed C．Assumes D．Assuming
Lucy was chosen for the job because she was superior ________the other candidates.
A．at B．for C．to D．In
Not until all the fish died in the river ________ how serious the pollution was.
A．did the villagers realize
B．the villagers realized
C．the villagers did realize
D．didn't the villagers realize
His first book ______ last month is based on a true story.
A．published B．to be published
C．to publish D．being published
________by curiosity，he opened his wife’s notebook and began reading her diary.
A．Driving B．Being driven
C．Driven D．Having driven
________ the delayed flight will take off depends much on the weather.
A．Why B．When C．That D．What
