________ we had been travelling for an hour, I noticed ...

[ Linkers and Conjunctions ]

________ we had been travelling for an hour, I noticed something strange

A. While

B. Until

C. When

Select your answer:

Random Topics:
Grammar Past and Future Tense Grammar (Possessive Pronouns)Comparative Adjective Be going to / Will Comparative Adverbs Conjunctions Argumentative Vocabulary Adverb Clause Past Continuous

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