[ Grammar ]
He ______ in his room all day yesterday.
A. stayed
B. stay
C. stays
D. staying

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Some & AnyVerbal and Appositive PhrasesPresent Simple with Adverbs of FrequencyPast ParticiplesTenses and StructuresConditional SentencePresent/Future/Past Simple/Present PerfectSentences vs Run-OnsPresent Simple & Present ContinuousConditional Sentences and Verb FormOther quiz:
Grammar › ViewI am sorry I don’t know how to use the computer.If only I (know)______ how to use it
A. knew
B. known
Adjective › View
I did my test badly. A lot of answers were ………………………………. .
a.correct
b.imcorrect
c.uncorrect
d.incorrect
The gas from the chemical factory was extremely _____.
A. harm
B. harmful
C. harmless
D. harmfully
Grammar › View
What type of determiner is : all
A. numeral
B. possessive
C. demonstrative
D. distributive
E. quantifier
