practice doing sth. 练习做某事 prevent doing sth. 阻止做某事 put off doing sth. 推迟做某事 risk doing sth. 冒险做某事 forbid doing sth. 制止做某事 forgive doing sth. 原谅做某事 V既 +to 又 +ing remember to do sth. 记住去做某事,表示这件事情还没有做 r...