-Pleasebequiet.Ourteacheriscoming.-Itbeourteacher.ShehasgonetoBeijing.()A.mustB.mayC.can'tD.mustn't
-Please be quiet.Our teacher is coming.
-It ______ be our teacher.She has gone to Beijing.( )
A. must
B. may
C. can't
D. mustn't
r,o,a,n,f,o,t,n,e连词成句是啥啊? 2020-03-31 …
用这些英文字母拼词这些英文字母打乱了顺序.一个题目一个词.第一题:r,c,t,a,e,s,r第二题 2020-05-16 …
A是n阶矩阵A^T是矩阵的转置为什么右式相等?|A||(E+A^T)^T|=|A||E+A| 2020-06-02 …
r"+3r=2e'求冲激响应求到h(t)=A*e^-3t*u(t)+Bδ(t)了也知道r(0+)= 2020-06-23 …
这篇英语诗歌译文是什么M-O-T-H-E-R-----HowardJohnson(c.1915)M 2020-06-28 …
英语、成语问题身()志()o,o,b,b,a,m单词:中文:()e,a,l,f单词:中文:()t, 2020-07-24 …
线性代数矩阵A满足A*=A^T,如a11,a12,a13为三个相等的正数,则a11为多少?由AA* 2020-07-25 …
字母组词1.e,t,n,l,a,c,r2.h,e,c,p,a3.t,a,e,r,w4.i,t,a,a 2020-10-31 …
用Ie表示心形线z=a(e+cosθ)的长度,用If表示摆线x=a(t−sint)o=a(e−cos 2020-12-25 …
用d.o.t.a四个字母开头的单词组成一句话(比如doonethingalone)越有深意...用d 2020-12-29 …