The equipment for all of the disabled people ought to be _________ easy reach in public.

Taiwan is ____ the east of Fujian.

I’m sorry I didn’t phone you, but I’ve been very busy____ the past couple weeks.

Hundreds and even thousands of Chinese college graduates compete with one another   fiercely ________ one civil service position (公务员职位)．

In modern society, alternative energies __________ traditional ones are playing an important role in our daily life. That’s just because scientists have made great breakthroughs _________ the development of science and technology.