A:①②
B:③④
C:①③
D:②④
如图将图电磁铁连入你设计的电路中(在虚线方框内完成),要求:
心脏结构中与肺动脉相连的结构是( )
A. milk B. bread C. juice D. cakes E. hungry
A: Mum, I'm ____!
B." Have some ____
A. Can I have some ____ please?
B." OK. Here you are.
A: I'd like some ____and ____
B: Here you are.
A: Thank you very much.