1956年我国在生产资料所有制的社会主义改造基本完成后， 开始进入_______。

The opposition leaders ________ the government for not taking action sooner.

在新民主主义的五种经济成分中，属于过渡形式的经济成分是___________。

For the new country to survive, ________ for its people to enjoy prosperity, new economic policies will be required.

he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.