33. If it were not for the fact that she _____ sing, I would invite her to the party.
I hate _______ in the winter when the weather is wet and freezing cold.
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.
Two explosions near the finish line of the Boston Marathon killed at least 3 people and injured more than 180 others, and currently FBI has figured out how it __________.