is jenny reading _____interesting book?

问题描述:

is jenny reading _____interesting book?

填an。翻译为一本。整句话意思是:
jenny 正在读一本有趣的书吗?

这个填 an 也行,填 the 也行.
Is Jenny reading __an___interesting book?
Jenny 在读一本有趣的书吗?
Is Jenny reading __the___interesting book?
Jenny 在读那本有趣的书吗?