求详解when（） properly,a reward system can help to increase students'effort,attention and improve their behavior.A using B to use C used D having used为什么选B?（）approximately eight by fourteen feet,this room can house6 to 8 students.A

求详解when（） properly,a reward system can help to increase students'effort,attention and improve their behavior.A using B to use C used D having used为什么选B?（）approximately eight by fourteen feet,this room can house6 to 8 students.A He was（） admittance to the concert hall for not being properly dressedA,rejected·Bdenied C,withheld D,deprived 我的答案怎么选择C 求详解 a b 求详解 求对某一GRE长难句的理解与分析!34.Only when a system possesses natural or artificial boundaries that associate the water within it the hydrologic cycle may the entire system properly be termed hydrogeologicthat associate the water within RT The thieve ran away when the burglar alarm____ A.let out B.went off C.switch on求详解 I don't know ( )I should choose.A,why B,when C,which D,what,求详解 muscle 的意思（详解）求详解 法语详解tu parle a（）括号里能填诸如toi、lui这些吗!求详解 法语详解tu parle a（）括号里能填诸如toi、lui这些吗!求详解 Eshopping,when properly ( ),can save us a lot of time and energy.A.being done B.is done C.doing D.done 为什么, Online shopping,when properly＿,can save a lot of time,money and energy.A.done B.is done C.having done D.doing 2.The dog,_____,will be made a good watchdog.A.to train properly B.being trained properly C.properly to train D.trained properly 电阻网络D/A转换器逻辑电路（求详解） 16.________,the accident would not have happened.A.Properly dealt with B.The problem properly dealt with C.Properly dealing with D.Properly dealingPlease explain These computers are___(运行） properly “When are you going to visit you uncle in Chicago?” “As soon as ____ our work for tomorrow.”a we're complete d we complete 求详解46.34（与问题无关） Thank you!（英语） 求详解When we have difficulty ___desired objects or reaching__ goals we experience negative emotions such as grief and anger.A to obtain ; desired B to obtain; desiring C obtaining;desired D obtaining ；desiring Thank you!（英语） 求详解When we have difficulty ___desired objects or reaching__ goals we experience negative emotions such as grief and anger.A to obtain ; desired B to obtain; desiring C obtaining;desired D obtaining ；desiring