( ) How old _____ you ?
A. is B. are C. was
—What colour is it ? —It’s __________ .
A. a bookB. greenC. beautiful
What are ___ ? They are jeans.
A. this B. these C. that
___ time is it now ?
A. What B. Who C. which
_________teachers are there in your school? Fifty.
A. How manyB. How much C. How old
________ is the library? It’s on the second floor.
A. What B. WhereC. How