Cats can often be found slept.
Incorrect. What's the correct sentence?
Cats make my nephew happy.
Correct!
To save lives, volcanic activity must be studied.
Correct!
Headlamps must be worn in dark caves.
Correct
Birds should not be cage.
Incorrect. What's the correct sentence?
Participating students make Ms. Jarra super happy!
Correct!
Why can't the cave be visited?
Correct!
In space, an astronaut suit must be wear.
Incorrect. What's the correct sentence?