Hi teachers,
I am wondering which one of the two things in brackets below is correct.
I know without them, the sentences are better and have no problem but just for grammar practices for beginners, I need to know them.
So... would you check them once and let me know your ideas?
Thank you.
pb
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They considered Shangri-la in the Kunlun Mountains a perfect hidden community. This place was described in the novel, Lost Horizon, (which was / which had been) written by James Hilton in 1933.
Perhaps one reason (why / that) people search for this lost place is that they believe it is a paradise where they can have everything they want.