单选简要说明理由They have _____ that any faulty parts will be replaced free of charge.A.guaranteed B.promised C.ensured D.protected

单选简要说明理由They have _____ that any faulty parts will be replaced free of charge.A.guaranteed B.promised C.ensured D.protected 简要说明理由 where are my glasses?(单选）（ ）on your nose.A:They areB:There are简要说明, 说明理由,单选第五小题. They arrived in NewYork Harbour at last.改错并简要说明理由 简要说明一下理由第一题可以选4吗 适当形式填空 is he __(like) his brother?单选can you__me clearly?a.look b.look at c.see d.see at说明理由 英语挑错并说明理由They are not divorced,but they have separated for 5 years. I sometimes have an orange __ a banana.横线中填and还是or,说明理由. 英语单选一道 说明理由she____plumper,but she ate too little.A can grow.B can have grown.C could grow.D could have grown 现在完成时还是一般过去时(单选)?They______( got,have got)two free tickets to Canada,otherwise they'd never have been able to afford to go.请说明原因. 判断221是不是质数?简要说明理由 简答题一道,请简要说明理由. 否定就是抛弃?简要说明一下理由 二次函数选择题,一到四题,简要说明理由 矛盾包含斗争?,简要说明理由 They___friends since they met in sh.A.have madeB.have becomeC.have turnedD.have been请说明理由 They have go to help her和They have come to help her.如果不对说明理由