Grade 8 - Unit 9 - Ms.Thao Anh

A drought happens when there_________ no rain in a place for a long time.

• is

• was

• has been

• had been

A flood_________ when a large amount of water covers the land.

• occurs

• is occurred

• is occurring

• has occurred

The size of earthquakes_________ on the Richter scale.

• measures

• measured

• is measuring

• is measured

Hurricane Dorian_________ the Abaco Islands as a category 5 hurricane on September 1.

• strike

• struck

• had struck

• was struck

At least 200 people_________ after rivers burst their banks in Colombia mudslides.

• killed

• had killed

• were killed

• are being killed

Since Monday, more than a dozen tornadoes_________ down across Oklahoma.

• touches

• touched

• have touched

• were touched

Hurricanes and heavy rains_________ with the help of technology.

• predicted

• are predicting

• will predict

• can be predicted

A tornado watch is issued when there is a possibility that a tornado__________.

• will touch

• is touched

• touched

• had touched

Before that day in Hawaii, we_________ a volcanic eruption.

• never saw

• has never seen

• had never seen

• were never seen

So far, some of the storm damaged roads and bridges_________.

• already repaired

• had already repaired

• were already repaired

• have already been repaired