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