______every magnet is surrounded by a magnetic field.
A: It is believed that
B: It believes that
C: It believed that
D: It's believing that
A: It is believed that
B: It believes that
C: It believed that
D: It's believing that
举一反三
- _______________every magnet is surrounded by a magnetic field.
- He _____ to be coming. A: believes B: is believing C: is believed D: believed
- Some people ______ still alive under the ruin. A: is believed to be B: are believing to be C: are believed of being D: are believed to be
- _____ magnet in a magnetic field will be subject to _____ force. A: A; a B: The; the C: A; the D: the; /
- _________ that the earth was the center of the universe. A: People were once believed B: It had once believed C: People were believing D: It was once believed