I ________my homework while my parents _________TV last night.

It’s helpful_____ you to give me _____ useful advice.[ ]

Beijing is ________ capital of China and it is _________ city with many places of interest.

When did you get to know the information? — ____ I ____ yesterday.

After winning the badminton championship at Wuhan Sports Center in May, the Chinese players’ faces ____ with joy.