[ Grammar ]
Grammar: Section 3. Conditionals. Choose the correct option for the sentences.
What will happen if my parachute __________(not open)?
_
A. doesn´t open
B. had not opened
C. didn´t open
D. would not have opened

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Present, Past, Present Perfect and ComparativeVerb 3 formsTo infinitive - GerundPast Simple Negative & QuestionsSubject Verb Agreement; Indefinite PronounsFuture - Will and Be going toDeterminers & QuantifiersGrammar on ConditionalsEnglish ArticlePassive to ActiveOther quiz:
Grammar › ViewThat test was ___________ than the previous one last week.
A. difficult
B. so difficult
C. more difficult
D. the most difficult
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There ______________ a movie theater next to the drugstore, but now there is a ten-story office building in its place.
A. used to be
B. used to being
C. was used to be
D. was used to being
Adverbs of frequency › ViewManu and Tito play soccer on the mountains from Mondays to Thursdays. They _______ play soccer there.
A. seldom
B. rarely
C. sometimes
D. usually
a, an, the, Zero Article › View
__ Korean language is difficult to learn.
A. A
B. An
C. The
D. –
