You can watch TV ______, but you can’t watch it ______ a long time.

is it from Wuhan to Nanjing? —It’s about l,200 kilometers.[ ]

Since there are other applicants, we can’t let you know our decision _____ all of them have got their chances for interview.

Do you know ____ boy who can play ______ violin?—Yeah! He is ___ artist. He also plays ___ football very well.

Where did Helen go on vacation ? — She New York City.