30. They are shocked to find that in this town the traffic rules are not strictly ________.
—Mr. Wang, must I come again to clean the classroom on Sunday?—No, you____ . I have asked Kate to do it.
We will have to set off ____ to avoid the heavy traffic tomorrow morning.
The New York Times is a popular daily ____.
When you leave , please turn off the lights energy.
--- Taian is a really comfortable city to live in. --- , and it’s world famous for Mount Tai.