单句填空
1.(2018·北京卷)In any unsafe situation,simply (press) the button and a highly-trained agent will get you the help you need.
2.(2018·天津卷)It was only when the car pulled up in front of our house we saw Lily in the passenger seat.
3.It was when I got back to my apartment I first came across my new neighbors.
4.Not until recently they encourage the development of tourist-related activities in the rural areas.
5.You are waiting at a wrong place.It is at the hotel the coach picks up tourists.