It is imperative that students _____ their term papers on time.
A、handinA
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She asked that she _____ allowed to see her son in police custody.
Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.
Mymotherwasdeterminedtohelpthoseinneedandshewouldhavebeenimmenselyproudofwhathasbeenachievedtheselast20years.Theitalicizedpartinthesentenceexpresses_______.
John's score on the test is the highest in the class ; （）he last night.
Shewasonceayoungcountrywifewithchickensinthebackyardandaviewof_______mountainsbehindtheappleorchard.
