She won a Nobel Prize for her scientific ______.
| A．interests | B．achievements |
| C．behavior | D．observation |
_______a mobile phone can _______you ring you want to talk with anywhere.
| A．Using;whoever | B．Only on;whomever |
| C．By;whomever | D．Not only with;whoever |
How sweet the light music___!
| A．sounds like | B．sounds | C．is sounded | D．is sounding |
The man ___ was an old classmate of mine.
| A．you just talked to him | B．who just talked to |
| C．you just talked to | D．whom you just talked |
The bag is ____ as the red one.
| A．twice as heavy | B．as twice heavy | C．as heavy twice | D．twice heavier |
He felt his chair ___ at the time of the earthquake.
| A．moved | B．to move | C．is moving | D．moving |