be+形容词(difficult) to do something造句
be+形容词(difficult) to do something造句
be difficult for somebody to do something怎么造句
用be going to do something造句
be+形容词+enough to do sth 造句
be +形容词+to do something还是doing sth
be difficult (或类似于difficult的形容词)+to do中不定式为什么成分
Have Difficult to do something与Have Difficult doing somethin
be up to do something
difficult to do /to be done
是不是have+形容词+ doing something,have +名词+to do something
be willing to do sth difficult是什么意思?
用make decisions to do something造句