What are you doing there?—I’m going hiking _______ the mountains. I like going there _______ vacation. [ ]
Do you know anything about the players of our school basketball team?—Yes. They are _______ young boys between the age of thirteen and fifteen.
Do you think the rain will stop tomorrow?—___________. It has rained for a whole week. It’s too wet everywhere.
I’m quite to office work. Can you offer me some suggestions?
You’d better hurry up, my boy.—- Just a moment. It won’t _____ me long to change my clothes.