if you are ( )of help,you can call me any time.如果你需要帮助,可以在任何时候给我打电话.
问题描述:
if you are ( )of help,you can call me any time.如果你需要帮助,可以在任何时候给我打电话.
答
in need 或者 in want
词组:in need of sth :需要,