待 等待 贝贝静静地等待着。
动 ____ ____
持 ____ ____
勇 ____ ____
—_______ is your mother, Dangdang?
—She's in the kitchen.
如图所示,在△ABC中,∠C=90°,DE⊥AB于D,BC=BD,结果AC=3cm,那么AE+DE=( )
take off set up base… on go through come up give in punish blow up