On entering the office, I found Mr. Thompson _____ at the desk and _____ something.
| A．seated； write | B．seated； writing | C．seat； write | D．seating； writing |
19..Someone is at the door, who is_________?
20.
| A．this | B．that | C．it | D．He |
21.—It is raining cats and dogs.
22. — ..
23.
| A．So it is | B．So is it | C．Neither it is | D．Neither is it |
19.—My home is in that tall building over there.
— ?
| A．Can it see | B．Can see it | C．Can be seen it | D．Can it be seen |
20. _________raining hard for 3 hours without stopping.
21.
| A．It is | B．It was | C．It has been | D．It had been |
22. —Has the boy got his bicycle now?
23. —Yes, the police gave .
24.
| A．him to him | B．it to it | C．it to him | D．him to it |