21. I _____(write) my report on white pollution for five five days but I have completed 10 pages. 22. Many books (write)______by Thomas already 23. The zookeepers _____(capture) the lion in the forest recently. 24. What weather ! It ______(rain) continously for four days! 25. Covid-19 patients ______ (well-treat)since they were found to catch it. 26. Lakes , rivers and oceans ______(get) more and more polluted . 27. The birds _____(feed) in the yard at present. 28. The unemployment rate _____(fall) over the last few months. 29. Rice ______(often/grow) in tropical counties. 30. You look exhauseted. ______(you/work) on the computer for too long.

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