问题补充:
单选题Alotoftents,drinkingwaterandfood__________tothehomelessearthquakesurvivorsinthepastseveralweeks.A.are sentB.were sentC.have been sentD.had been sent
答案:
C
时间:2018-09-05 18:31:05
单选题Alotoftents,drinkingwaterandfood__________tothehomelessearthquakesurvivorsinthepastseveralweeks.A.are sentB.were sentC.have been sentD.had been sent
C