是不是所有的及物动词都可接宾语从句。现简单答复如下：
可以这样认为，所有及物动词都可接宾语从句。
对于 hear, say, tell, think, believe, suppose
等动词后接that引导的宾语从句，这是大家都很熟悉的用法。如：
I was very sad to hear that your mother had died.
听说你母亲去世，我很难过。
They say that hardship is good for the soul.
他们说艰难困苦对心灵有益。
You could tell that they were itching to leave.
你能看出来，他们渴望离开。
I think that we should stick around until we get an answer.
我认为我们应该留下来直到我们得到一个回答。
Doctors believe that smoking is harmful to your health.
医生们认为抽烟会危害健康。
