difficulty是什么词性 按适当形式填空:He has_ (difficult) doing
difficulty是什么词性 按适当形式填空:He has_ (difficult) doing
用所给词适当形式填空.When must he ____(finish)doing his homework?
是have difficulty doing sth还是have difficult doing sth?
The (one) lesson is very difficult.适当形式填空
He fells (terrible) ill. 适当形式填空
Is he ____(marry)?适当形式填空
适当形式填空:He is______(America)boy
They are doing----[they]homework 适当形式填空
按适当形式填空
按适当形式填空,帮帮忙
---?he?(clean)the biackboard?---No,he isn't按适当的形式填空
have a difficult time doing sth和have difficulty doing sth是否都