The reason______ he gave for being absent from school was ______ he had to attend his sick mother at home.A.which; becauseB.why; becauseC.不填; thatD.why; that
参考答案:
I want to use the same tools _______used in your factory a f..
I want to use the same tools _______used in your factory a few days ago. A.as was B.which was C.as were D.which