Every few years,the coal workers ()their lungs X-rayed to en
Every few years,the coal workers ()their lungs X-rayed to en
every few years,the coal workers have their lungs X-rayed to
高二英语单项选择1. Every few years, the coal workers________their lu
The pair planned to have their own children in a few years,b
it ()the workers more than two years to build the hospital
1.It took the workers ten years to build the palace.(改为同义句)
The workers wore glasses over their eyes to keep them____?
Unluckily,five coal workers were( )under the ground last nig
very four years every other year every few years
英语翻译certain messenger molecules fight damage to the lungs fr
The Greens moved to china a few years _____
in the past few years,they ———many children find their famil