--Did you write to Mary last month? --No, but I’ll_______her over Christmas Day.
—How about your travel? —You can hardly imagine what difficulty we have had ___________ the vast desert.
His sister left home in 1998, and _________ since then.
The policeman’s _________ traffic directions made all the drivers quite ___________.
The president is talking on ____ phone with astronauts in ____ space.
The chief editor demanded that the article _________ immediately.