Do you think it is _______of Jim not to eat meat for three days a week?— Yes. It is good for both the environment and his health.

Do you often play computer games? —No, And so do ________ of my classmates, you know we are very busy

.How long do you think______ the construction company finishes the project?

Can you play ________ guitar?—Sure. It’s a piece of cake for me.

The letter_____Tommy received from his company yesterday is very important. [ ]