At the meeting they discussed three different ______ to the study of mathematics.

Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.

4“How long have you been an actor?” “_______ 1995, when I graduated from college.”

difficult to tell exactly ____ the saying began,but it is probable that it was in the theater or movie industry

Mother asked the youngest girl _____ with her toy car. [ ]