My brother likes going skating _____ winter. Skating is his favorite sport.[ ]

We’re glad to see that Beijing is developing _______ these years than ever before.

Listen! Peter is singing in the classroom! —It _____ be him. He has gone back to his hometown.

The young lady _____is interviewing Lin Zhixuan about the program I am a singer is from 21st Century Talent Net.

What a nice model ship! – Thank you. It _________ me a few days to make it.