28.—Jimyou(write)alettertoyourfather?YesIhave.I(write)ityesterday.
28. —Jim you (write) a letter to your father?
Yes I have. I (write) it yesterday.
28.—Jimyou(write)alettertoyourfather?YesIhave.I(w 2020-05-13 …
30.I wish I __B___a car.It would make life so muc 2020-05-16 …
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Model:sets:first/1..3/:L;second/1..8/:x,z;third/1 2020-06-03 …
用柯西积分公式求解∮c(z+1)/((z-1)²(z+2))dz,c:|z|=4,要详细过程,貌似 2020-06-10 …
vb试题求解28)下列程序段的执行结果为a=75Ifa>60ThenI=1Ifa>70ThenI= 2020-06-14 …
（2yy9•灵武市）直接写出得数或比值6-iy6=y.i：y.y9=2i÷yy8=4y%×2y=2- 2020-10-30 …
知道频率,电阻，电压和电流的有效值怎么求自感系数例题：已知U为50Hz，220V加到电阻为6Ω的线圈 2020-11-17 …
翻译句子。。吐血跪求！！！！1.昨天下了一整天雨，但是我没有带伞。Ityesterday,butI. 2020-12-24 …
用所给的正确形式填空Lucy(be)abitilllastThursday.She(be)muchb 2021-02-01 …