电路图中的FB1是什么意思

我要一些英语常用口语句子. 练习英语口语常用的句子?练习英语口语都有哪些常用的句子,哪里可以找的到呢? --Is Mr Brown driving here?---I'm not sure.He___come by trainA.may B.shall C.need D.must 英语教学中常用的口语句子? --Is Mr.Brown driving here?--I am not sure.He ____ come by air A.will B.may C.need D.must为什么选C -Is Mr Smith driving here?-I'm not sure.He _____-Is Mr Smith driving here?-I'm not sure.He _____ come by subway.A.may.B.shall.C.need.D.must. Is this your watch?怎么翻译? 求英语翻译,奥巴马当选的是美国第几届总统!请先回答多少届再翻译谢谢!3Q 译成英语：美国总统奥巴马就职演说 求好心人解答,好评绝对 怎样更好的练好口语? This T-shirt is Maria's.Please____.A.give it to her B.give her to it c.give her itD.give to it her I moved in only last week. 可以这样说吗 I only bought these shoes last week, and they’re falling ______ already.1.down 2.away 3.out 4.apart 哪位热心人士会做,有好评😊 20题.有好评😊急 会有好评😊急 哪位热心人能告诉我怎么写吗?有好评😊 适合初中生练口语的文章,句子多一点,然后要比较有用的,口语很烂啊,说起来很费劲,要适合每天练的. That's Jim's pen.Give him his pen,please对不对 适合初二生练口语的文章句子把那些文章整篇顺便写下来啊谢谢了.要练口语的，不是说要提高英语成绩的。 哪里有适合口语练习的短文要上大学了 ,可是还有一个入学的口语复试,我需要一些准备,求一些适合背诵的英语小短文,最好是中长,难度中等的 口语是背句子好,还是背文章好? Mrs.Brown is supposed ____for Italy last week A tMrs.Brown is supposed ____for Italy last weekA to have left B to be leaving C to leave D to have been left 这是什么时态 一般过去吗 14.Mrs.Brown is supposed ____ for Italy last week.[A] to have left[B] to be leaving[C] to leave[D] to have been left15.A new technique ____,the yields as a whole increased by 20 per centA] working out[B] having worked out[C] having been worke 66.Mrs.Brown is supposed ________ for Italy last week.A) to have leftB) to be leavingC) to leaveD) to have been left Mr.Brown is supposed _for Italy last week.A,to have left B,to leave C,to leaving D,to have been left Mr.Brown is supposed _for Italy last week.A,to have left B,to leave C,toleaving D,to have been left 英语翻译：是你从不知道我有多爱你. {英语｝ came that China would hold the 2008 Olympic Games in BeijingA.words B.A word C.word D.the word希望能有解释,谢谢word....not world 许嵩哪首歌那些词可以写在作文中详细点包括词我要词和歌名 许嵩在哪首歌中提到了自己的宠物?许嵩的宠物是什么呢?