她尝试了多年，但从未成功怀孕。

She had been trying for years, but never managed to ___conceive.

到那时，她拥有了一切她所能要求的，但出于某种原因，她两年没有怀孕。

By then she had everything she could ask for but for some reason she did not ___conceive for 2 years.

然后她怀孕了，但经历了两次流产。

Then she ___conceived but had two miscarriages.