Sarah是班长,老师走进教室准备上课,她应该这样说:A. Sit down.B. Good morning.C. Stand up.
—What colour is it ? —It’s __________ . A. a book B. green C. 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 many B. How much C. How old
________ is the library? It’s on the second floor.A. What B. Where C. How