注意：此页面搜索的是所有试题
题目内容
（大学英语）
20. The rest of the family had nearly reached the river, but I was ________ behind as usual.
A、 declining
B、 delaying
C、 lacking
D、 lagging
A、 declining
B、 delaying
C、 lacking
D、 lagging
参考答案