—Why haven’t you asked her to come here?—She _______ an important experiment when I found her and she _____ it.
Perseverance is a kind of quality, and that’s ______ it takes to do anything well.
The price of agriculture products _______ since the beginning of last year.
Our monitor is always ready to help others. He is really ______ Lei Feng in our class.
Our parents have done a lot for us. I think we should ______ them by working hard.
---If only we had less homework! --- ________ We all need more rest.