Please the computer， Lily． It's time for you to go to bed． （ ）
A．turn offB．turn upC．turn on
My uncle is against wasting anything．
No wonder he would rather _____ the old bike than ______ a new one．（ ）
| A． |
repair； to buy |
B． |
to repair： buy |
C． |
repair； buy |
I don' t want this book because of the price．May I have another one？
How about this one ？ It is as interesting as that one and ______ expensive．（ ）
| A． |
more |
B． |
less |
C． |
little |
______ do teenagers need to sleep ？
At least eight hours a night．（ ）
| A． |
How long |
B． |
How many |
C． |
How often |
Why are you worried？
The movie will start in 20 minutes ， but the bus______ hasn't come．（ ）
| A． |
still |
B． |
already |
C． |
always |
What else do we need to make cold beef ？
_________．（ ）
| A． |
Two spoons salt |
B． |
Two spoons of salts |
C． |
Two spoons of salt |