2A. Hue Ya plays the violin, and she also sings.B. Hue Ya plays the violin, she also sings.C. Hue Ya plays the violin she also sings.
查看答案
3A. Sami fell asleep in class, everyone laughed.B. Sami fell asleep in class everyone laughed.C. Sami fell asleep in class, and everyone laughed.
4A. Let’s go home I'm tired.B. Let’s go home. I'm tired.C. Let’s go home, I'm tired.
5A. The lake is wide it’s not very deep.B. The lake is wide, it’s not very deep.C. The lake is wide, but it’s not very deep.
6A. A dog was barking all night I couldn’t sleep.B. A dog was barking all night, I couldn’t sleep.C. A dog was barking all night, so I couldn’t sleep.