Lucy looks blue today.— Yes, but I don’t know what it is________makes herso upset. [ ]

Can I help you—Yes. I’d like a ticket to Mount Emei. . Can you tell me ______ take to get there

The time is not far away____modern communications will become widespread in China’s vast countryside.

I know Lillian Li enjoys_________out withEnglish-speaking friends.

Sometimes there are papers or books to collect or to ___.