97. You’d better stay at school now. Look! The sky is overcast with dark clouds. I’m afraid _____ rain is going to fall.
The students often finish their work .
The old man was found walking near the river a cold morning.
I do enjoy when I’m listening to the sound of the rain.
Many couples feel lonely at home when their children to go to college.
I couldn’t stand the of not being able to help when my best friend was in trouble.