Parents have to look after their children well __ it's too crowded and their children may get lost in it.A.so B.and C.but D.because

求翻译：his parents have set up a trust to look after the money he earns Since our parents are on their vacation,we have to look after ourselves Both his parents look sad ,Maybe they ___what is happened to him ,A Knew B have known Both the parents are away on business ,who do you have --- after the children at home?A looking B look C to look Both his parents look sad.Maybe,they___what'shappened to him.A.knew B.have known C.have been know D.had known实在感激不尽! 1.Both his parents look and Maybe they___1.Both his parents look and Maybe they______What's happened to him A.knew B.have know C.must know D.will know Have you ever swered to your parents? 1、Both his parents look sad .Maybe they _________what's happened to him .（呼和浩特）A.knew B.have known C.must know D.will know 选哪一个? Can you give me a p__ of your parents? I want to have a look at them. 在横线部分补充单词 teenagers should ____ to look after thenselves when their parents are not athome.A.study B.learn C.want D.have You have to be healthy to look The birth planning policy allows my parents to have a second child because of my disability,but to look after me,they chose ( )A,not to do B,not to have C,not to D,to not have one请帮忙解释下为什么---not to do,not to have,not ,not to have on look forward to 后面永远跟动词ing形式吗?即使前面有个have been 后面的动词不用变过去式的吧?比如说i have been looking forward to ----from my parents. she wants ()her parents A to gou B to watch C to see D to look Let me to have a look.改错 改正：Let me to have a look. i have to look you in cam My parents have never been to Canda?_____your parents _______been to Canada?