Passengers are ______to look out of the window when the train is moving.
The actress looked so attractive in her beautiful dress that we took _______ photos of her.
_________the exams to worry about, I have to work really hard this weekend.
---Everyone was at the party except you. What happened? ---Iafter Mike, my pet dog, at home. He was ill.
On the ground ___________ a sick goat, whose life was in danger.
Most people are familiar with the idea that all matter in the universe ________ atoms.