英検２級 2026年 第1回 #15 来週のプレゼンの準備に取り掛かろう。忙しくなるぞ。

A : Our presentation next week will include a lot of data.   It will take a lot of work to prepare.
B :  (            ),  we are going to be very busy!　　Let’s get started right away.

1  In other words    　             2  In the beginning   
3  Back and forth         　　    4   On the contrary