Helium weights more than hydrogen, but it is less dangerous than a lighter gas.
CD
100
What's the proper adjective of Netherland?
Dutch
100
I must have lost the tickets they aren't in the envelope. (semicolon or colon).
Semicolon
100
He has (laid or lain) two books down.
laid
100
Nowadays, how is zoos treated?
They are kept in large, naturalistic exhibits, maintained in appropriate social groupings, fed nutritionally appropriate diets, and provided with excellent veterinary care.
200
One of the sports that can be classified as extreme is free diving.
CX
200
Most days, we can see Greg wearing his favorite flannel shirt and old denim jeans. (Hint: Underline the pronouns or nouns used as adjectives in the following sentences. Underline the adjective and the word it modifies.)
Pronouns: Most and his , adjectives: favorite and old, and words it modifies: shirt and jeans.
200
My sister had a babysitting job at 6:30 P.M. We ate dinner early. (but or so)
,so
200
Don't (let or leave) your camera in a hot place for too long.
leave
200
What's the definition of poacher?
One who illegally hunts on another's property.
300
The sudden expansion of gases causes explosions in arteries.
S
300
The crew started loading women and children onto the lifeboats. (Underline the predicate adjective in each sentence. If the sentence has no predicate adjective, write NONE.)
None
300
The energy is not created, destroyed. (and or nor).
,nor
300
He has ( lain or laid) his toys on the ground.
laid
300
In addition, many new exhibits are hardly larger than the sterile, barred cages of days gone by. (fact or opinion).
Opinion
400
"Variable-weight" and "constant-weight" free diving are approved methods.
S
400
Jupiter rotates (more or most) quicker than Mars.
more
400
Ms. Safeta forget her wallet. She was in a hurry. (because or yet).
,because
400
The newspaper (set or sat) on the doorsteps waiting to be picked up.
sat
400
In the 1960s and 70s, how were zoos treated?
They were kept singly or in pairs in small, sterile concrete and tile cages and fed inappropriate foods.
500
Scuba divers, who wear oxygen tanks, accompany free divers to help them if problems arise underwater.
CX
500
If you travel to Italy, you should include a trip to Pompeii in __________ plans. (Complete each sentence with a pronoun that is used an adjective.)
your
500
He studied for his Algebra exam. He failed in the exam. (yet or because).
,yet
500
The new race car will (let or leave) the rest of the them in the dust.