A:Good morning,class!
B: ,teacher.
It is said that a space station (build) on the moon.
How amazing!But it may take a long time,I guess.
Mary (talk) on the phone,so I just nodded to her and went away.
When night came,they put up a tent (keep) warm.
How lucky the (win) of the game show is! A five﹣day trip abroad for free!
John looks at his watch from time to time. Why is he so ( patient )?