【正文】
___ bin (垃圾箱 ). 5. Your shoes are d__________. Clean them quickly. 6. Your room is so m__________. Your mum must be angry. 二. 英漢互譯。 ( )1. London is a big city ___________ dirty air. A. on B. for C. with ( )2. It ________ dirty before, but it _________ clean now.\ A. is is B. is was C. was is ( )3. Listen! Som