The cost of buying a house in Beijing is higher than ______in Luoyang。

However difficult you find         to arrange your time, it will pay off in the long run.

Kathy’s cat is so cute and lovely, but I don’t think I have enough time to keep ______.

However difficult you find         to arrange your time, it will pay off in the long run.

Is _______ Qinghai-Tibet Railway plays an important role in China’s railway history the topic that you’re coming to?

Before you resign you should consider the effect _______ will have on your family.

--- Why is the cake so expensive?
---- Maybe you don’t know a cake made of wheat costs less than _____ made of rice. 

Nancy invited Tom and Ann to dinner, but _____ of them came.

The traffic on the main streets has a longer green signal than ______ on the small ones.

In his lecture, the professor referred to the belief, in contrast to all other countries, ______ the elderly are wise, ______ is particularly dominant （占优势的） in the Chinese culture．