Сaшкa12
21.11.2021 14:51

Use the simple past or the present perfect. 1. since classes began, i (have, not) much free time. i (have) several big tests to study for. 2. last night my roommate and i (have) some free time, so we (go) to a show. 3. i admit that i (get) older since i last (see) you, but with any luck at all, i (get, also) wiser. 4. the science of medicine (advance) a great deal in the nineteenth century. 5. since the beginning of the twentieth century, medical scientists (make) many important discoveries.

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КсенияБыкК
21.07.2020 17:59

1. Since classes began, I haven't had much free time. I have had several big tests to study for.

2. Last night my roommate and I had some free time, so we went to a show.

3. I admit that I have got older since I last saw you, but with any luck at all, I have also got wiser.

4. The science of medicine advanced a great deal in the nineteenth century.

5. Since the beginning of the twentieth century, medical scientists have made many important discoveries.

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