Linda would like to have a electronic_____ to clean her_____. A: toothbrush, tooth B: teethboobrush, teeth C: toothbrush, teeth D: teethbrush, tooth

（）表示“牙刷”的意思。 A: Comb B: Toothbrush C: Toothpaste D: Razor

put the following parts in rigt order. A: it doesn't tell us B: that a healthy diet and a good toothbrush C: will have the same effect D: the complete truth

"The lovely house by the seaside had to be sold immediately, and the little boy, carrying nothing but a small suitcase containing a pair of pyjamas and a toothbrush, was sent away to live with his two aunts." (James and the Giant Peach) This sentence is a _____________.

Which of the following sentences expresses REQUEST?() A: Have you ever been to Canada? B: Can he be thinking of leaving school? C: Must you go now? D: Can I use your toothbrush?

刷牙用电用牙刷? Out啦!IEEE Spectrum有一期报道过Beam 蓝牙牙刷(Bluetooth toothbrush )全新面世,让刷牙变得更加智能!牙刷能感知口腔内的生物电,记录每次“刷牙事件”,然后把数据发送到对应的智能手机的一项应用程序(iOS 或安卓),这样就能跟踪一段时间内的口腔健康数据。这样的Beam蓝牙牙刷售价多少钱呢?(IEEE Xplore)