—Congratulations! Your speech is excellent.—______.
29.Mr Brown arranged for the taxi to come at six_____she would not have to wait long at the station.
28.He spent much of the evening with Robert Green,____he had hardly seen in the thirty years since they had worked together at CBS.
27.At last, the boys found themselves in a pleasant park with trees providing shade and____down to eat their picnic lunch.
26.The researehers delermine what type of plants the virus can infect(感染) and____insects can carry the virus.
25.—Did you get my letter? —I received one just as I____.