Recently, there a boom in population movements.
173. I can hardly imagine Peter _______ across the Atlantic Ocean in five days.
172. If only I _______ just see the hero come! All of us have been expecting him.
171. We'll hold a sports meet in our school if it __________ next weekend.
170. The girl has fallen off her bicycle, and her knees _________.
169. ____________! It's time to go to school.