Choose the best answer

Choose the best answer :

1.She lived..............America.........1969.

          a.in/in                   b.at/in                   c.on/at                   d.from/in

2. Are you free................ Monday?

          a.to              b.at              c.on             d.from

3. Very few Vietnam people had TV sets.............1960s.

          a.in              b.at                c.on          d.from

4. Don’t forget to brush your teeth................ every meal.

          a. before      b.at              c. after                  d.from

5. The street is full of traffic from morning.................. night.

 a.in             b.at                c.on          d.from