1. i think the microwave oven is the (two) most helpful invention

Question

2.i think the light bulb is (use)invention of the four.请求解答

Answer 1

1.second (第二有用)
2.the most useful （最有用）追问

能请你翻译一下第二个句子吗？

追答

我认为灯泡是四个发明中最有用的一个。

Answer 2

1. l think the microwave oven is the second most helpful invention。
我认为微波炉是第二有用的发明物。
2.l think the light bulb is the most useful invention of the four.
我认为电灯是四个发明物中最有用的。

希望有帮助!

Answer 3

second；the most useful