By 1860 the railroads of the Unite States had 3000 miles of track, three-quarters of which it was east of Mississippi and north of the Ohio River. The answer is :three -quarter of which east of Mississippi and north of Ohio River. The problem is your have two subjects :which and it
With the incorporation of jazz history into current academic curricula, leading jazz musicians are now founding on the faculties of several universities.
为何是founding 有问题啊….
Dentistry is a branch of medicine that has developed very dramatic in the last twenty years.
为何是dramatic 有问题啊…
麻烦大家…谢谢 |