This washing machine is environmentally friendly because it uses _____ water and electricity than _________ models.
A．less; older B．less; elder C．fewer, older D．fewer; elder
I can__ be a teacher. I’m not a very patient person.
A. seldom B. ever C. never D. always
I used to earn than a pound a week when I first started work.
A．a little B．a few C．fewer D．less
It seems that living green is easy and affordable. A small step masks a big difference.
A. exactly B. fortunately C. surprisingly D. hardly
The school’s music group will be giving a big show tomorrow night and two________ on the weekend.
A. more B. other C. else D. another
—I wonder how much you charge for your services.
— The first two are free the third costs $30.
A. while B. until C. when D. before
