It was in the lab ________was taken charge of by Johnson ________they did the experiment.
A．where；which B．which；that C．which；which D．that；which
There is no doubt at all ________she will call us when she gets there.
A．if B．whether
C．what D．that
—Does the idea of working abroad ________ you?
—Yes. But I have no chance.
A．lead to B．adapt to
C．appeal to D．contribute to
What we all know is that new technology is being ________to almost every industrial process.
A．applied B．attempted
C．acquired D．arranged
They will start their project，________at helping the poor children to be educated in the west of China.
A．aims B．aiming
C．being aimed D．to aim
Einstein’s Theory of Relativity is so ________that most of us can not understand it.
A．controversial B．abstract
C．appropriate D．universal
