A-A+ The rocket will weigh about 200 tons when _____.A. being completedB. completedC. co 2024-12-26 17:42:24 学历考试 阅读 问题详情 The rocket will weigh about 200 tons when _____.A. being completedB. completedC. completingD. have been completed 参考答案 查看解答