题目
25. He ______ new techniques to make stylish polyester clothes that are wearable, washable and hard-wearing.A. pioneerB. pioneeredC. pioneeringD. pioneers
25. He ______ new techniques to make stylish polyester clothes that are wearable, washable and hard-wearing.
A. pioneer
B. pioneered
C. pioneering
D. pioneers
题目解答
答案
B. pioneered