Using his hybrid rice, farmers are producing harvests before.
| A．as twice large as | B．twice large than |
| C．larger than twice | D．twice as large as |
— I’m afraid I can’t finish the book within this week. —______.
| A．Please go ahead | B．That’s right | C．Not at all | D．Take your time |
It is said that the famous football star is now willing to play for______ would pay him three million dollars a year.
| A．anyone | B．whomever | C．no matter who | D．whoever |
— You’d better keep quiet in class.
— Sometimes I______ . Yesterday, I was as quiet as a mouse during my English class.
| A．would | B．do | C．did | D．was |
______ private cars are bringing us convenience, they also cause more traffic accidents and pollution.
| A．While | B．As | C．If | D．Since |
Which do you enjoy ______ your holiday, going abroad or staying at home?
| A．spending | B．to spend | C．being spent | D．spend |