来自韩建强的问题
21、___thattheymaygraduallyreducetheamountoflaborby90percent.A、SocleveraretheconstructionrobotsB、SoclevertheconstructionrobotsareC、SuchconstructionrobotsarecleverD、Suchcleverconstructionrobotsare
21、___thattheymaygraduallyreducetheamountoflaborby90percent.
A、Socleveraretheconstructionrobots
B、Soclevertheconstructionrobotsare
C、Suchconstructionrobotsareclever
D、Suchcleverconstructionrobotsare

