I feel sure I _____ her before somewhere.
The children all turned_________the famous actress as she entered the classroom.
The government plans to bring in new laws _____ parents to take more responsibility for the education of their children.
_________ the right kind of training , these teenage soccer players may one day grew the international stars.
Please do me a favor — ______ my friend Mr.Smith to Youth Theater at 7:30 tonight.
Nowadays people sometimes separate their waste to make it easier for it ______.