passed,cleaned,helped,cooked4个"ed"哪个发音不同?急用!

passed,cleaned,helped,cooked4个ed哪个发音不同?急用! passed passed passed Memory is very important.It helpe you remembeMemory is very important.It helpe you remember who you are 翻译 cleaned the passed是什么 passed是什么意思 PASSED是什么意思? had passed people,in,work,often,he,helpe,his 用以上各词连词成句 求cleaned的音标. the house was cleaned 急…几个英文试题!用动词不定式将下列各句合并成简单句.1.I cleaned the room.she helped me.2.Rose and Tom passed by .did you notice it?3.an apple fell down the tree .i saw it ten years have passed还是has passed 2 years has passed还是have passed was passed和has passed的区别? how did you work out the math problem?A.to ask the teacher for help B.because theteacher helpe