an activity to carry out as part of a study an activity carried out as part of a study 两句话区别
问题描述:
an activity to carry out as part of a study an activity carried out as part of a study 两句话区别
答
to carry out-------- 指的是将来要做的事情
carried out---------指的是已经做过的事情
being carried out-----指的是正在被做的事情