- Don’t _____, boys. Keep working on and you will be successful. - Thank you, Mr Zhu. We’ll try our best.
The old scientist has made a great contribution the moon.
—What is the table made _______? —Wood.
Many countries have a lot of rockets into space.
—How can I learn English well? —You will learn it well ________ you practice speaking it often.
—Are you ready to leave, Helen? —_________ —I was just asking if you’re ready to leave.