问题
填空题
写出下列动词的过去式和过去分词。
1. swim _______ _______
2. ring _______ _______
3. drive _______ _______
4. write _______ _______
5. read _______ _______
答案
1. swam, swum
2. rang, rung
3. drove, driven
4. wrote, written
5. read, read