have become （过去完成时态）
翻译：在过去几年,交通问题越来越严重了.填were becoming 不对吗？不对，were becoming 是过去进行时态。是过去某一时间，正在进行。好的，明了了，这里是一段时间，谢谢你，达人。
33.In the past few years,traffic problems (become) ________ more and more serious.
33.In the past few years,traffic problems (become) ________ more and more serious.
填were becoming
填were becoming
英语人气：269 ℃时间：2020-02-04 01:56:21
优质解答
我来回答
类似推荐
- In the past few years,traffic problems(become)___more and more serious.
- In recent years,computer games have become more and more popular in many cities and towns.下面还
- The population of the world has more than doubled in the past ten years.
- a few more years 有没有这样的用法?如果有 a few more
- With the help of high technology,more and more new substances[ ]in the past years.
猜你喜欢
- 1某光电管的阴极是用金属钾制成的，它的逸出功为2.21eV，用波长为2.5×10-7m的紫外线照射阴极，已知真空中光速为3.0×108m/s，元电荷为1.6×10-19C，普朗克常量为6.63×10-34J•s，求得钾的极限频率
- 2家庭用电220V,请问用电电流多大?
- 3初一期中语文总结500字
- 4将鼓膜的震动传递到内耳的结构是 A咽鼓管 B半规管 C耳蜗 D听小骨
- 5动物细胞原代培养与传代培养有何异同
- 6hope可不可数?
- 7x^2-2x=x^2+1 和ax^2+bx+c=0 是一元二次方程吗
- 8如图所示,在三角形ABC中,角C-角B=90度,AE是角BAC的角平分线,求角AEC的度数
- 9两条平行线3x-2y-1=0和3x-2y+1=0的距离为《》
- 10There are many r( )around my home