现浇混凝土挡土墙槽坑深度大于几米时，应设置混凝土溜槽？ 

上下沟槽应走马道或安全梯，马道、安全梯间距不宜大于多少米？

Apart from her devotion to her work ，Elizabeth was also loved for her___(warm)and humor.

蛙式夯一人操作行吗？

At the end of the conference, all the_(participate) were asked to fill out a questiolmaire

The rediscovery of this species of birds is one of the most___(ordinary)scientific findings in recent years.

水样的冷藏温度一般是（）

This essay is still too long.I’ll have to___(short)it by one or two pages.

视准线法观测的误差主要有（）、读数误差、（）和（）等

Just a few years ago，Tanya was___(home)and begging for money in front of a supermarket in New York City.