—I’ m sorry. I ______ at you the other day.---Forget it. I was a bit out of control myself.
—Did you ask your pen pal ___? —Yes, he’ll come here after the exam.
I found lots of people were visiting the beautiful mountains when I ___ the car.
I’d like to have a picnic with you in the park. ___ , I’m too busy today.
The doctor ___ the crying boy, but he couldn’t find what was wrong with him.
After walking for 4 hours, he was ___ tired ___ move on.