According to activists, action ......................................... long ago to preserve forests. A.must take B.must be taken C.must have been taken Answer and Feedback Answer:C do you want? view more test Xem thêm Share this post Some other questions you may be interested in. ……………………….. is its own reward. I learnt German at …………………….. He often comes very ................................. to the class. He came here two months .................................. He .................................... to our house. Though James worked very .............................., he failed. But Peter, who took things .............................., passed. He .............................. comes to see me. I .................................... to meet him. He is ................................. lazy fellow.
