II.Choose the right form 1.The Eiffel Tower( is/has been) visited by about 6 million people each year. 2.The exhibits

1. The Eiffel Tower is visited by about 6 million people each year. 2. The exhibits in the museum must not be touched. 3. Luckily, the fire had been put out before anyone got hurt. 4. This film was being shown to the students when I came into the classroom. 5. Do not worry. A fax is being sent by my secretary right now.