早教吧作业答案频道 -->英语-->
用所给单词的适当形式填空。1.I(be)goingtolearnfolkdances.2.Therearemanydifferent(book)inourlibrary.3.Onmybirthday,mygoodfriends(buy)mesomepresents.Iwa
题目详情
| 用所给单词的适当形式填空。 |
| 1. I (be) going to learn folk dances. 2. There are many different (book) in our library. 3. On my birthday, my good friends (buy) me some presents. I was very happy. 4. We often help the old people (do) some housework on weekends. 5. The policeman (find) the backpack an hour ago. |
▼优质解答
答案和解析
| 1. am 2. books 3. bought 4. do 5. found |
看了 用所给单词的适当形式填空。1...的网友还看了以下：
已知函数f(x)=x-1-alnx (a∈R).求证:f(x)≥0恒成立的充要条件是a=1②必要性 2020-05-15 …
已知A=[1,b](b>1),对于函数f(x)=1/2(x-1)^2+1,当x∈A时,f(x)∈A 2020-06-03 …
x2+|x-a|+1,x∈R,的min①当x≥a时,f(x)=x^2+x+1-a=(x+1/2)^ 2020-06-29 …
下列说法中不正确的是().A.因为电源电动势不变,所以路端电压也不变.B.因为U=IR=[ER/( 2020-07-13 …
已知A、B、C三点共线向量符号就不写了所以AB=λAC所以PB-PA=λ(PC-PA)可得PB=( 2020-07-21 …
F(x)=x(e^x-1)-ax^2,若当x≥0时f(x)≥0,求a的取值范围?f(xF(x)=x 2020-07-26 …
当次数为3的多项式f(x)除以x-1时,所得的余数是-1.当f(x)除以x+1时,所得的余数是-5 2020-07-30 …
求助高一集合改选并集还是交集?│X+2│+│X-3│＜a无空集,求a的范围.解：当x＜-2,-x- 2020-07-30 …
急！自然对数与等价无穷小量的问题题目：当x趋于1时，求ln(3x-2)/x-1的极限，题解为：ln 2020-08-02 …
已知{an}中,Sn=3an-8,求通项公式an当n=1时,S1=a1=3a1-8,解得a1=4当n 2020-11-15 …