[ Grammar and Vocabulary ]
There is oxygen and nitrogen in the air.
A. science
B. technology
C. geography
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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:
Grammar › ViewHello, how can I help you?
A. Thank you. Goodbye.
B. I’d like a shirt, please.
C. No thank you.
D. Here is my credit card.
Grammar › View
Choose the sentence with correct punctuation:
A. What time will we leave?
B. What time will we leave
C. What time, will we leave?
D. What time will we leave!
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