The engineers have to ___a lot of problems to build the highspeed rail from Taiyuan to Changzhi. A....
2022-10-22 07:15:05 31次 山西省2018届九年级中考信息冲刺卷压轴卷英语试卷（二） 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The engineers have to ___a lot of problems to build the highspeed rail from Taiyuan to Changzhi.
A. work out B. try out C. give out
本题链接：
