David,an __boy can write in Chinese.
I could speak French Chinese, but luckily I could talk with them in English.
--- Will you please answer the door? It _______ be your sister. ---Sorry, I ________. I'm feeding the rabbit.
-Jim, is physics difficult to learn in high school? -Sure. No subject can be learned well hard work.
---The picture book doesn’t seem so popular. What about the dictionary? ---Oh, the dictionary _______ well.
-Our school is going to hold the Culture Festival. -Yes! And we can take part in activities.