—Mary was being badly treated when John happened to pass by and helped her out.
—I think it was not a pure ________but had been well planned.
A.coincidence B.consequence C.incident D.chance
Einstein’s Theory of Relativity was so __________that few people could understand it at that time.
A.controversial B.religious C.abstract D.contradictory
Since entry into high school the students have been ____ staying up late in the evening and getting up early in the morning.
A.admitted to B.allergic to C.accustomed to D.attached to
—Was it under the tree _______ you were away talking to a friend?
—Sure. But when I got back there, the bike was gone.
A.that B.where C.which D.while
----How did you like Nick’s performance last night? ----To be honest, his singing didn’t _______to me much.
A.appeal B.belong C.refer D.occur
Some insects ______ the colour of their surroundings to protect themselves.
A.take in B.take off C.take on D.take up