Last semester I signed up to take calculus, but I dropped out of class after.

上学期我报名参加微积分那个班。但是，上了两个礼拜课以后我就退出了。

youdao

Last semester I signed up to take calculus, but I dropped out of class after.

上学期我报名参加微积分那个班。但是，上了两个礼拜课以后我就退出了。

youdao