Weather conclusions

The ground is dry and cracked. It hasn’t rained for months. This ____ be a drought.

• might

• must

• couldn't

The sky is dark, and I see flashes of light. It ____ be lightning.

• couldn't

• may not

• must

There’s no snow on the ground, and the temperature is very high. It ____ be a blizzard.

• couldn't

• might not

• must not

The news says strong winds and heavy rain are coming. This ____ be a hurricane.

• must

• could

• might

After the rain, the river is overflowing. It ____ be flooding in that area.

• might not

• must

• couldn't

A strong wind is lifting cars into the air. It ____ be a tornado.

• must

• might not

• couldn't

There are flames in the forest, but I don’t see smoke yet. This ____ be a wildfire.

• might

• couldn't

• must not

I heard loud thunder, but I don’t see lightning. It ____ be a thunderstorm.

• couldn't

• might

• must not

Rocks and soil are sliding down the mountain after heavy rain. This ____ be a landslide.

• must

• might not

• couldn't

It’s raining heavily, and the sky is clearing up. There ____ be a rainbow soon.

• couldn't

• might

• must not