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problems exist because necessary measures for preventing them________(not take) in the past. 4. —The window is so dirty. —I (not clean)for weeks. 5. All the employees except the manager________(encourage)to work online at home. 6. The plan must________(put )into practice as soon as possible. 7. The way the guests_______(treat)in the hotel will influence the evaluation(評(píng)價(jià) )of their service. 8. Every year many farmers arrive in Shenzhen for good jobs they________(promise) before leaving their hometowns. 9. Traditional folk arts like paper cutting________(exhibit)at the culture show of the 2021 Shanghai World Expo. 10. I like these English songs and they________always________(teach)on the radio. 答案 be taken/were being taken not taken 39。 When and where to go for a piic_____________________________________. 答案 doing the work being repaired killed be reduced 39。 by+ v ing 形式表示 “ 通過(guò) ?? ;靠 ??” ,符合題意。從后句 and we39。 get done 表示動(dòng)作的結(jié)果。分析句意可知, what 與 discover 為動(dòng)賓關(guān)系,由 today可知應(yīng)用現(xiàn)在完成時(shí)。天津 ) A. have produced B. have been produced C. are producing D. are being produced 解析 In the last few years(在過(guò)去的幾年里 )通常與現(xiàn)在完成時(shí)連用。 答案 B 15. She had managed to________by running into the street, leaving the two men far behind. A. escape B. expose C. expect D. explode 解析 escape 逃脫,符合語(yǔ)境。 Last weekend we went mountain the heavy rain in the morning could not prevent us off very early, we went along an extreme narrow road, all in high every side of the road was green fields and some could hear the sound of the rain and our footsteps mixing with our noon we reached the top of the surprised us most there was the beauty of the having short rest and sharing the food we had brought,