| Question | Albert Einstein _____________ (to publish) a paper on the general theory of relativity in 1916. |
|---|---|
| A | was publishing |
| B | had published |
| C | has published |
| D | published |
| Answer | d |
| Remark | We use the Past Simple Tense when we talk about actions which happened at a certain time in the past. Here: in 1916. |
Tags: past_tenses
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