中国大学MOOC: They had _______ when they were on holiday.
举一反三
- 中国大学MOOC: Pets can be a _____when you want to go away on holiday.
- We had a very good weather while we were on holiday.
- When we were kids, we _______ (swim) every summer holiday.
- 中国大学MOOC:"The wounded had to be left _____ when the defeated army left. I wonder who were able to stay with and take care of them.";
- We went on safari in the ___ when we were on holiday in Africa.