下列字母中是元音字母的是 .A.AC B.AO
当你收到好朋友送的生日礼物,表示感谢时, 你会说:________ A.I'm Wendy. B.I'm eight. C.How nice! Thank you.
你去上学,你想知道现在几点钟了,你会问:________ A.What's your name? B.What's that? C.What time is it?
eight - one =________ A.seven B.four
twelve ÷ six =________ A.three B.two
three × three =________ A.nine B.six