Every few years,the coal workers ()their lungs X-rayed to ensure their health.A.are having B.have C.have had D.had had
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 14:05:43
Everyfewyears,thecoalworkers()theirlungsX-rayedtoensuretheirhealth.A.arehavingB.haveC.havehadD.hadha
Every few years,the coal workers ()their lungs X-rayed to ensure their health.A.are having B.have C.have had D.had had
Every few years,the coal workers ()their lungs X-rayed to ensure their health.A.are having B.have C.have had D.had had
Every few years,the coal workers ()their lungs X-rayed to ensure their health.A.are having B.have C.have had D.had had
B
Every few years和for many years是什么意识
in the past few years
every few years,the coal workers have their lungs X-rayed to ensure their health 为什么不选have hadevery few years不是现在完成时的标志吗
very four years every other year every few years什么意思?造句?
in the last few years=over the years吗
in the last few years是什么时态
in the past few years造句
a few years down the road
英语翻译At last,the brother who had drunk tea every day died at the age of 83,the other died a few years later.
in the past few years 过去完成时 in the last few years 现在完成时 in the past 一般过去时
every few years 中,few前为什么不加“a”?我的意思是:为什么不写成every a few years
In some provinces in _ southern China,serious flood breaks out every _ few years.A.the;a B./;a C.the;/ D./;/
the last/next/first 相当于冠词?the last few years a few years什么东西?
for the last few years和 in the last few years的区别
in the past few years和in the last few years的区别,
during the last few years与during the last a few years有区别吗?
the old man died______.A.for a few years B.since a few years C.a few years ago D.a few years
Every few years,the coal workers ()their lungs X-rayed to ensure their health.A.are having B.have C.have had D.had had