1 . 我们不得不穿着湿衣服睡觉，很不舒服。
We had to sleep in our wet clothes, ________ was most uncomfortable.

2 . 如果学生学习倦怠，可以短暂休息，然后继续学习。
______ case the students get bored of studying, they can choose to take a short leave before going back.