Раскройте скобки. Поставьте глаголы, данные в скобках, в одно из времен группы Perfect. 1) The assistant (to disinfect) the instruments before the operation 2) We (to make) numerous experiments before we published new data about main functions of leukocytes. 3) Scientists (to find) that structurally the cells of epithelial tissues are flat, cubical, columnar, or ciliated. 1) We (to publish) the article by May.
Раскройте скобки. Поставьте глаголы, данные в скобках, в одно из времен группы Perfect. 1) The assistant (to disinfect) the instruments before the operation 2) We (to make) numerous experiments before we published new data about main functions of leukocytes. 3) Scientists (to find) that structurally the cells of epithelial tissues are flat, cubical, columnar, or ciliated. 1) We (to publish) the article by May.
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1) The assistant has disinfected the instruments before the operation.
2) We had made numerous experiments before we published new data about main functions of leukocytes.
3) Scientists have found that structurally the cells of epithelial tissues are flat, cubical, columnar, or ciliated.
4) We will have published the article by May.