I often drop by my friend's houses in my free time.改同义句I often _____ ______ ______ my friend's houses when I'm free ______

I often drop by my friend's houses in my free time.改同义句I often _____ ______ ______ my friend's houses when I'm free ______ drop by 和drop at 有什么区别?I dropped by my friend's house yesterday.可不可以用dropped at We often just drop by our friends' drop in or drop by?please_____ my house if you come by this way.drop by?drop in?drop off? i usually _____(come over/ drop by)my friends homes选哪个,为什么? I often tell my pen pal__my favorites by e-mails i just drop by to say hello drop by drop 填空 ：I often study English by making f-------- drop by i just_____to see how you are getting on 1.drop at 2.drop by 3.drop on 4.drop with I often play with Tim .He is my f( drop by是及物还是不及物短语?书上有一句话we often just drop by our friends' homes. I was often madeto makea fireto cook dinner by my mother翻译I was often made to make a fire to cook dinner by my mother The drop in family costs is often replaced by the cost of supporting aging parents.drop如何翻译? went was go I often( )to school by bike,but today I( )by bus,because my bike( )broken Maybe i just came by to drop in.翻译中文 这个英语题为什么选C不选AWhen the cooking class changed to Tuesdays,I had to ( ）so that I could ( )my daughter from her piano lessons.A drop in ;pick outB drop off;pick upC drop out;pick upD drop by;pick out