怎么加s、ingsee study feel say

怎么加s、ingsee study feel say 英语 加s、ingsee feel study还有一道横线补充单词We usually go out on Sunday.But last Sunday we didn't.We stay at home i----This doll is d------ from that oneMiss Li is waiting f---- usJudy and I are in the same.We are c-----横线写单 study加ing怎么加 study后面怎么加doing study,give怎样加s,加ed,加ing? Fe加弱氧化剂S ,I生成Fe2+的化学方程式怎么写呀? 以f/fe结尾的名词,哪些加s,哪些去掉f/fe加ves? He often helps me study Englisn.He often helps me study Englisn.的study要不要加S she needs study .need加S吗?she needs to study .（need作实义动词)she need study 请问作情态动词时NEED需要加S吗? 如何分辩fe 结尾的名词变复数时,可以是加s或去f,fe 加ves rain stay study 的现在进行时一般过去时怎么加 play怎么加s class怎么加s fe al 用物理方法怎么区别?加什么试剂 Fe加什么溶液能转换为FeCl2FeSO4、Fe(OH)2分别怎么转换为FeCL2 i think it 's good to study.怎么译 is that your brother's study )怎么连句 We think it's a good idea to allow teenagers to study in groups?为什么allow、study前加to?