大明想知道 Sam来自哪里时.应该怎么说____
A.what are you doing .Sam?
B.where are you from.Sam?
C.what are you going to do.Sam?
______is my ruler?
A．What B．HowC．Where
Come______，children.
A．at B．on C．under
______a big fish!
A．What B．How C．That
妈妈想知道你的盒子里装的是什么东西时，她会问：________
A．What's in your box? B．Who's this? C．Do you like this box?
同学捡到了一件校服，问是不是你的，他会说：________
A．Is this your skirt? B．This is your uniform. C．Is this your uniform?