Holly could not decide whether to reveal her costume or keep it hidden.
Tell
The dark and gloomy sky looked like it was going to rain.
Dark
My teacher asked us to write about a sibling, so I wrote about my sister.
Brother or sister
The ghost was invisible, that is unable to be seen.
Not visible
The teacher told the students they must tidy (clean) up their desks before going to lunch.
Clean
Kim felt confident as she handed in her book report, in contrast to Wendy, who was feeling doubtful.
Certain
You must keep the milk in the refrigerator so it won't spoil, or ruin.
Ruin
The treehouse was so sturdy, that is strongly built, that the wind could not knock it down.
Strong
The dog was weary (tired) after digging for his bone all afternoon.
Exhausted
Billy felt queasy after going on the roller coaster.
Sick
The soup was so scorching that I couldn't eat it. I wish it was a bit cooler.
Hot
The rabbit moved swiftly, or fast across the yard.
Quickly
The student was alert that is fully aware, while learning long division.
Fully aware
The receptionist said there may be a brief, or short, wait to see the doctor.
short
Although the vase was heavy, it was very fragile.
Breakable
The only thing that looked appetizing on the menu was the hamburger. The fish tacos looked nasty.
Delicious
My mother enabled, or allowed, me to go to the party.
Let
My mother asked me to put the cutlery on the table, so I grabbed the knives, spoons, and forks from the drawer.
Silverware
The teacher used diagram (a chart used to explain parts) to teach the food chain.
Drawing
The noise startled me and I jumped.
Frightened
How would you describe your personality? Are you gregarious or quiet?
Outgoing
Billy wants to establish, or build, a friendship with his new neighbor.
Create
We went to the appliance section of the department store to buy a new stove.
Electronic equipment.
The play concluded, or ended, with a musical performance.
Finished
Charlie has an abundant amount of pencils.
Large amount.