-----Hurry up! Alice and Sue are waiting for you at the school gate. -----Oh! I thought they ____ without me.
Einstein’s Theory of Relativity was so __________that few people could understand it at that time.
Since entry into high school the students have been ____ staying up late in the evening and getting up early in the morning.
—Was it under the tree _______ you were away talking to a friend? —Sure. But when I got back there, the bike was gone.
----How did you like Nick’s performance last night? ----To be honest, his singing didn’t _______to me much.
Some insects ______ the colour of their surroundings to protect themselves.