The students were ____ over the ____ problem, listening to the teacher with a ____ expression on their faces.
What he said sounds___________.
—Go and ask her___________come . —OK.
.—What’s the matter with you ? —Oh, I’m not feeling well in the stomach . I ___________so much fried fish just now .
.During the test we were supposed to stay in our seats , keep our eyes on our work , ___________to anyone .
The moon is___________the earth .