Ten years ago the population of our village was that of theirs.
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |
--- Why did you call the police?
--- I got home and found my house _____.
| A．broken up | B．broken down | C．broken in | D．broken out |
The government has taken some measures to prevent more trees from _____.
| A．cutting down | B．cut down. |
| C．being cut down | D．been cut down |
Susan, _____ university student from Europe, teaches me _____ art in her spare time.
| A．an; / | B．a; the | C．an; the | D．a; / |
It was the first time Mary _____ such a big opening ceremony.
| A．has attended | B．attended | C．had attended | D．should attend |
Today Bob contradicted Ms. Li, our math teacher, in class, _____ made her angry with him.
| A．that | B．which | C．what | D．who |