用所给词的正确形式填空。If you cut yourself , you should _________(put ) some medicine on it .
He ______(get ) off and helped the blind man cross the road .
_________(thank ) to Mr Wang and the passengers , the doctors saved the man in time .
Did Mary cut ________(she) ? Yes , she did .
To ________(he) surprise , great changes have taken place in China three years .