he had success in helping the girl find her mother的同义句he ____ in helping the girl find her mother.
i taught my grandma （to send e-mails on the internet）?对画括号部分提问what did you ____ your grandma —— ——?
we find it is interesting to talk with him.改为同义句we find it ____ ____ talk with him.
each course costs him 249.99改为同义句it _____ him 249.99 to take each course.
i sent him a toy cow as a gift.改为同义句i ___ a toy cow ___ ___ as a gift.