Write a note _____ a friend. [ ]
Today is Father’s birthday. I’m going to make a special meal _____ him.[ ]
I hear all the museums will be open to people free in Hangzhou soon. — That’s good news. More people will ________ their weekends visiting the museums.
Martin was once ________ “problem student”, but now he’s one of ________ top students.
Do you know the activity called “________ Lights” ?—Oh,it’s an activity that reminds people of saving energy.