Our math teacher is very kind ______ he looks very serious.
A．because B．though C．if D．when
This isn’t my sister’s skirt. ______ is blue.
A．Mine B．His C．Yours D．Hers
Now the air in our city is ______ than it used to be. Something must be done to stop it.
A．good B．bad C．worse D．better
This type of MP5 is so expensive that I can’t ______ it.
A．afford B．spend C．cost D．pay
You can get much ______ about the famous singer on the Internet.
A．ticket B．map C．information D．picture
Look at ______ girl with sunglasses. She is my cousin.
A．a B．an C．the D．/
