１）"All ___present and all ___ going on well,"our monitor said to the teacher . ,is e,are e,is ,are2) " ____can be done _____ been done,"the doctor said to the patient. l,has l that,has l,have l that,have3) ___food has been kept in his new ridge . reatdealof argenumberofD.quiteafew4)The committee ____ among themselves for over two hours.A.have been arguing B.have been argued请给我解析一下，不胜感激！
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1.c2.b 3.b 4.a1人为复数，物为单数2。ALL THAT 相当于WHAT 主语从句做主语，单数3。 FOOD为不可数其他几个修饰可数4。 主动形式，现在完成进行时