Some students often find _______ difficult _______ remember the English words.
When you cross the road, you should be _____ and walk _____
The children are _____ when they hear the _____news.A exciting exciting B exciting excited C excited exciting D excited excited
I don’t know ___________ the question.
You must be tired now. Why not ____ a rest?
Shanghai is bigger than_____ in Jiangsu and bigger than_______ in China.