of the land is covered with trees and grass in Pingjiang, Yueyang.
A. Three fives B. Three fifths C. Three fifth
As young adults, it is our_____ to try our best to deal with each challenge in our education with the help of our teacher.
| A．work | B．job | C．duty | D．task |
Please tell me________. I have some gifts for him.
| A．how has Robert come | B．where Robert is |
| C．when will Robert leave | D．what does Robert like |
—Please _______to return my book by Friday. I'll use it on Saturday.
—No, problem. I'll finish reading it on Thursday.
| A．don't forget | B．not to forget | C．not forget | D．forget not to |
—Hi, guys. Where are you heading now?
—Home. We _________all our money, so we have to walk home now.
| A．spend | B．spent | C．have spent | D．are spending |
This math problem is too difficult. Can you show me________, George?
| A．what to work out | B．to work i t out |
| C．how to work it out | D．how to work out it |