eek a tennis ball hit me on the head, but I tried to _______ the pain, believing that it would go away sooner or later.

I don’t know whether you happen _____, but I’m going to study in the U.S.A this September. [ ]

The computers made by our company sell best, but several years ago no one could have imagined the role in the markets that they ________

Did you see who the driver was—No, the car ran so fast ____ I couldn’thave a good look at his face.

The flag looks especially beautiful _______________　the blue sky