问题补充:
单选题Thescientistsarenowtryingtodiscoverwhatusecouldbe________suchmaterial.A.made outB.made upC.made ofD.made from
答案:
C解析因为此题是make use of (利用) 的被动式。.
时间:2021-06-30 08:55:30
单选题Thescientistsarenowtryingtodiscoverwhatusecouldbe________suchmaterial.A.made outB.made upC.made ofD.made from
C解析因为此题是make use of (利用) 的被动式。.