1.英文中不可以用数字
1.It has been dead for three years.
2.这句是对的
3.错.. Its deadth made me frustrate.
加了ing代表正在进行的
因为他的死是过去...所以不能用ing
1。没有错
2。Because of its death, I am very sad.
应该是逗号
3。Its death makes me frustrating.
made应该也可以。。不过makes比较好
对的,但是第二句的语序要调整.I am very sad because of its death.
第一句对的
2. Because of its death, I am very sad.
3. Its death made me frustrated.
没有,都正确的