问题补充:
These students are quick at learning. We’ll have them with new methods.
A. training
B. to train
C. to be trained
D. trained
答案:
A. training
B. to train
C. to be trained
(答案→)D. trained
解析:考查have的用法。句意“这些学生善于学习。我们将用新方法训练他们。”These students和train是动宾关系,故用被动。故选D。