I found that it was frustrating to learn English grammar.
I found that it was frustrating to learn English grammar.
I found ( )difficult to learn English grammar
I found that it was difficult to learn English.中that 可以省略吗?
He found that it was important to learn English well.
I found difficult to learn English grammar.A it Bthat Cit is
I found ____ ____ to learn English grammar
I found ____ difficult to learn English grammar.
We found that it was very useful to learn English well.同义We
I found _____ difficult to english grammar.
We found it was very useful to learn English well
I found it easy to learn English well.
I found _____easy to learn English well.为什么用it