核心问题
How close parents are to their children ____ a strong influence on the character of the children. A. have B. has C. having D. to have
我选了A,对吗?
词典解答
不管是由 that 引导的主语从句,还是由 wh-词引导的主语从句,其谓语动词一律使用单数,故上题应当选 B。类例:
-
That we shall be late is certain. 我们将要迟到,这是确定无疑的。
-
Whether we'll go depends on the weather. 我们是否去,要看天气而定。
练习题
请做下面的英语试题：
- How and why ____ such an experiment is unknown to all.
subject clause
A. did he do B. had he done C. he did D. he enjoyed to do
- When and where to go for the on-salary holiday ____ yet. A. are not decided B. have not been decided C. is not being decided D. has not been decided(上海高考,03春-28)