在这 it is 用来表时间、距离等
it is two miles from my home to school.
it is five minutes on foot from the store to the bank.
or 或者表选择
你要自己修还是请别人修?will you mend the cleaner yourself， cleaner是什么意思，他在这里是比较级还是表示清理员？应该是吸尘器之类的