【C20】A．withinB．underC．aboutD．behind

In learning a foreign language, one should first pay attention speaking.A、withinB、toC、

【25】A．inB．underC．overD．beyond

A．betweenB．underC．within

The product was processed （) official veterinary supervision.A．inB．underC．afterD．with

The park was______easy walking distance of our hotel.A．withinB．insideC．aboutD．from

That family is always quarrelling______themselves.A．withinB．betweenC．withD．among