专升本英语基础名词练习题(十七)81.Many countries are increasing their use of natural gas, wind and other forms of ___.A. energy B. source C. powerD.material 82.You'l...
专升本英语基础名词练习题(十六)76.Here's my card. Let's keep in ____.A. touchB. relationC. connectionD. friendship 77.He gained his ___by printing ___of famous write...