Question

【题目】— Do you know now?

— Because we need to develop our life.

A. why we have more new inventions

B. why we had more new inventions

C. why do we have more new inventions

D. why did we have more new inventions

Answer 1

【答案】A

【解析】

试题分析：句意：你知道现在我们为什么有更多新的发明吗？——因为我们需要提高我们的生活。这里是宾语从句，注意用陈述语序，这里是一般现在时态，结合语境，故选A。