Dave is really good at sports .But it's difficult for him().
the exam paper_easy at first,but it's really quite difficult
英语翻译Maybe it is a little difficult,but it's really necessary
This math problem is s_____ for you,but it’s difficult for s
It is hard to ( )a good habit,but it is even harder for him
A:At 9:00,I have ______.It is very difficult but it's intere
翻译it is really good for
But what do you do for others?It is really a good idea to do
It is quite difficult ____ him ___ good English.
Li Lei is good at English and he thinks it's ( )difficult.
Dave is good at __(swim).
it,very,difficult,to,is,well,learn,english,him,for
I think it's difficult __(be)good at English