[ 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:
Tenses › ViewThey ________ (sit) in front of the computer every evening.
A. sit
B. sits
C. sat
D. sitted
Grammar › View
At night they ____to wash the dishes.
A. has
B. have
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