基本信息
高二英语Unit1-5词汇句型
Unit1
1.Undertake, undertook , undertaken
a.to accept that you are responsible for a piece of work, and start to do it.担任， 承担， 着手做
He undertook the difficult task willingly.
他开始做新的实验。 He undertook a new experiment.
b. undertake to do sth./that…答应，允诺
to promise or agree to do sth.
He undertook to pay the money back in six months.
他答应星期一以前完成这项工作。He undertook that he would finish the work by Monday .
