A：①②
B：③④
C：②④
D：①③
－Do you mind if I sit here?
－__________. It's for my friend Cindy.
给下列多音字组词。
率lǜ____ shuài____
降jiàng____ xiáng____
— I want to ______ 6, 600 dollars. May I do that on the ATM machine?
— Of course, you may.
Amy ________ the windows already, so the room looks much brighter.
