In U.S. you must wear a________when you ride a bike.A.helmet B.hat C.scarf
Don’t make noise . The baby (婴儿) _______ sleeping . A.be B. is C.are
These are ________ faces and those are _________.
________ colourful picture it is!
Everyone ________ hobbies.
We should learn English _______ our English teacher . A.for B.to C.from