用be afraided of,be afraided to造句

用Be sure to、Be sure to do 、Be sure of、Be sure that 造句 be out of be similar to 造句 用be going to be造句 用be short of造句 用 be careful of 造句 用be aware of 造句. 用(be) of+形容词 造句 be of concern {to sb} 造句 be of great help to造句 用 be friendly to 造句. 用to be 造句 着急! 用be bound to 造句