The experiment shows that proper amounts of exercise, if ______ regularly, can improve our health.
| A．being carried out | B．carrying out | C．carried out | D．to carry out |
相关试题
25. The form and pictures introduced in the book ________ the content of the article.
| A．throw light at | B．throw light on | C．throw light back | D．throw light off |
24. It was at twelve o’clock___we finally arrived at the village____we spent our happy childhood.
| A．that; that | B．when; that | C．when; what | D．that; where |
23.The universities have got bigger in size, ____ many more people the chance of higher education.
| A．so allowing | B．thus allowing | C．so to allow | D．thus to allow |
22. With Mr. Smith _____ at going home, I’ve _____ a car to pick him up tomorrow.
| A．aimed; arranged | B．aiming; arranged for |
| C．aiming; arranged with | D．aimed; arranged for |
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