Before students did their own worksheet by themselves they practiced on one or two first.
Before students did their own worksheet by themselves they practiced on one or two first.
刚开始在孩子自己开始练习前，我们先进行示範练习，让孩子先练习一或二题。
Before students did their own worksheet by themselves they practiced on one or two first.
刚开始在孩子自己开始练习前，我们先进行示範练习，让孩子先练习一或二题。