Peter doesn’t know many people here.—__________.

The girl was born _______May,1991 and came to Tianjin _______October 10, 2003.[ ]

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

They are _______ the dark.

中华人民共和国的英文缩写是______.