I'm ____ (write) goodbye letters to all my friends.
下边漫画《蒸了一锅馍,废了堆柴》启示我们( )
如图,在⊙O中,直径AB,弦CD,且AB⊥CD于点E,CD=4,OE=1.5,则⊙O的半径是( )
图2表示的降水类型是( )
Who will you get ____(accompany) you on the piano at the school concert?