The cruelty of the terrorists towards the two Chinese engineers in Pakistan and____of the terrorists towards America in September 11 filled everyone with horror.
—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.