It is very difficult _______ some tourists to understand differe

相关题目

• We are looking forward to _______ a trip to your country.
• My suitcase was so full that it didn't have _______ for anything
• Most Chinese like to drink tea. But some prefer coffee _______ t
• I'm glad to be _______ your service.
• The dish _______ terrible! I don't like it at all.