–Look! A man is cutting a tree on the moon.--It ______ be true. The teacher said there is no air on the moon.
-Did you tell Li Lei about the news? -Oh, sorry. I forgot. Would you please pass____ him.
-Last semester, he had a hard time______ English.
-Our dining hall is always ________________ teachers and students at noon.
-Linda was just going out shopping________the telephone rang.
-Our teacher told us that the moon _______ around the earth.