He is _____ girl.A.an B.a C.不填
There are two _____ of ______A.bottles/shampoo B. bottle /shampoos C. bottles/ shampoos
I have ____ envelopes but I don’t have _____ stamps.A.some any B.any some C.many any
What were you doing? I ____ digging a hole.A.was B.were C.am
Wake up, Tony.It’s time _____school.A.to go B for C.go to
You can go when the traffic light is_______.A.yellow B.red C.green