1. A drought happens when there_________ no rain in a place for a long time. A. is B. was C. has been D. had been 2. A flood_________ when a large amount of water covers the land. A. occurs B. is occurred C. is occurring D. has occurred 3. The size of earthquakes_________ on the Richter scale. A. measures B. measured C. is measuring D. is measured 4. Hurricane Dorian_________ the Abaco Islands as a category 5 hurricane on September 1. A. strike B. struck C. had struck D. was struck 5. At least 200 people_________ after rivers burst their banks in Colombia mudslides. A. killed B. had killed C. were killed D. are being killed