These clothes ____ only $10. They still have $20 _____.
A. cost, to spend B. spend, to cost
Whose hair is longer, or ?
A. yours ; hers B. your ; hers C. your ; her
The earth is ________ than the sun.
A. bigger B. smaller C. taller
She sometimes _______ the bus to school.
A. takes B. rides C. drives
There are ______ stars on Chinese national flag.
A. four B. five C. six
He lives _____ that island.
A. on B. in C. at