Вставьте глаголы can, must, should, to be to, to be able to в нужной форме:
1. If the temperature begins to rise very fast, we …reduce it at once.2. The swimmer
was very tired but he …reach the shore. 3. He …come at ten o’clock, but now it is
12 already. 4. They… see in the dark. 5. Nobody …calculate the loss caused by the
damage of the new equipment. 6. You… read both articles too. 7. The teacher thinks
the students …finish their tests very soon. 8. I … understand this theory. 9. I think I
…do it. 10. They …change the frequency.