Amy has read many history books， so she learns history________ of all the subjects．（ ）
| A． |
well |
B． |
bad |
C． |
best |
D． |
worst |
I went to work the next day，__________ I was still feeling unwell．（ ）
A．becauseB．untilC．unlessD．though
We should save energy by _________ the lights when we leave a room．（ ）
A．getting offB．showing off
C．taking offD．turning off
The teacher encourages the children to feel _________ about asking questions when they don't understand．（ ）
A．nervousB．confidentC．excitedD．practical
I will see what I can do，but I can't ______ you anything．（ ）
A．planB．prepareC．promiseD．protect
Anita spoke _________ quietly that I could hardly hear her．（ ）
A．tooB．suchC．soD．very