So hard ______ in the past few months that he has made great progress in English. — I can see that; only a few mistakes ______ in the exam.

oment I arrived there, I found allthe food supplies had ______.

John opened the door. There _____ he had never seen before. [ ]

st Chinese young people in recent years, a houseis within sight but _______ for lack of money

Since the party is very ________,whether you wear the red dress or the blue dress is really unimportant.[ ]