1. It is a pity that I should be at school instead of lying here in hospital.

2. A letter from her son, which had just been delivered to her, greatly relieved her anxiety.

3. Be sure to set aside enough money each month so that you can pay your tuition for the next term.

4. It is well known that many of our problems are caused at least in part by failure to communicate.

5. Is everything running well in your office?

参考答案

1. 真可惜，我应该在学校而不是躺在医院里。

2. 她刚收到儿子的来信，这大大减轻了她的忧虑。

3. 每月一定要留出足够的钱，这样你就能付下学期的学费了。

4. 众所周知，我们的许多问题至少部分是由于没能有效沟通引起的。

5. 你们办公室一切都进行得顺利吗？