填空题 下面是关于学习的三对句子。每埘句子中，第一句是原句，第二句是对第一句的改写。要求根据原句和第二句中已经给出的部分补全第二句。(注意，不能改变原句的意思。)

填空题 If you have plenty of money, it will be easy for you to study in a foreign country.
It"s easy to study 1 so long as (只要) you have enough money.

填空题 He is good at speaking English.
His 1 2 is really good.

填空题 Try to remember what the teachers have taught in class.
Try to 1 2 3 what the teachers have taught in class.