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If there … no sunlight, plants don’t produce fruit.
- is
- are
- am

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Simple Past Tense and Present Continuous TensePast Simple TenseModals and Present TensesAdverbs or AdjectivesAdjectives, ING - EDDescriptionsDo / Have / Can - Basic QuestionsThe Structural Types of SentencesCommunicative GrammarNoun Phrases and AdverbialsOther quiz:
Gerund Subject or Object › ViewReading before bed helps me relax.
A. Subject
B. Object
Grammar › View
There was no one else at the box office. I _______________ in a queue.
A. didn’t need to wait
B. mustn’t wait
C. needn’t have waited
D. needn’t wait