中国大学MOOC: Pets can be a _____when you want to go away on holiday.
举一反三
- 中国大学MOOC: what can you say when you want to make a suggestion?
- When you want to go abroad to travel, you can only choose travel agency to book a trip.
- 中国大学MOOC: When customs staff ask you how you want your money back, You can only select credit card.
- 中国大学MOOC: If you want to go to other countries, you have to ________ a passport.
- 中国大学MOOC: If you want to endorse your ticket, you should go to the ________to sign for transfer, and then go to the _______ to go through the formalities.