[ 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:
Present Tenses › ViewProvide an example of a common error in present perfect tense usage.
A. She has finished her homework tomorrow.
B. I have seen that movie yesterday.
C. I have went to the store last week.
D. They have played soccer last Saturday.
Prepositions › View
They climbed__ the hill then ____.
A. over, under
B. from, to
C. on, in
D. up, down
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