Althoughtheymanyexperimentstherobotneeds.A.carriedon;testingonB.carriedout;betestedonC.carriedon;tobetestedoutD.carruedout;tobetestedout

Question

Although they ___ many experiments the robot needs _____.
A.carried on;testing on
B.carried out;be tested on
C.carried on;to be tested out
D.carrued out;to be tested out

Answer 1

carry on 经营；继续进行；争吵；吵闹
carry out 执行
根据语意可以知道carry on 不行,排除AC.
然后test on 就…检验[测验]（某人）
test out 检测.
所以只能用test out