[ Grammar and Vocabulary ]
There is oxygen and nitrogen in the air.
A. science
B. technology
C. geography

Random Topics:
Passive ModalsComparativesPresent, Past, and Future TimeAdverb & Compound SentencesPast Simple vs Present SimplePrepositions and ConjunctionsGrammar - may & mightGrammar Present Perfect (ever never)Adverb Clause ConnectorComparative and Superlative AdverbsOther quiz:
Phrasal Verbs › ViewGiovanna doesn’t get along with her two brothers.
A. agree with
B. hate
C. please with
D. have a good relationship with
First & Second Conditional › View
If John ___ too much coffee, he will get ill.
A. drink
B. drinks
C. drank
Mixed General Quiz › ViewKate can speak three foreign languages.
a. She must be tired.
b. She must be a talented girl.
c. She surely knows the ropes.
Grammar › View
They _____ finished their homework already.
A. has
B. have
C. had
D. having
