Recently Peter________to do his homework, and instead insists on wasting his time playing com-puter games, which extremely annoys his father.
| A．had been refusing | B．has been refusing | C．was refusing | D．refused |
Whether ways will be found to stop pollution or not is just___________ worries the public.
| A．why | B．which | C．that | D．what |
—Have you seen Rose recently?
— No．It’s five years _____ I met her．
| A．since | B．after |
| C．when | D．before |
The tomato juice left brown ____ on the front f my jacket．
| A．spots | B．points |
| C．tracks | D．traces |
When I talked with my grandma on the phone, she sounded weak, but by the time we ____ up, he voice had been full of life．
| A．were hanging | B．had hung | C．hung | D．would hang |
—Wow! You’ve got so many clothes．
—But _____ of them are in fashion now．
| A．all | B．both |
| C．neither | D．none |