【题目1】I ________ everyone make full use of time.
【题目2】We walked as fast as we could, ________ to get there on time.
【题目3】Only when I left my parents for Italy ________ how comfortable it was to live in our home country.
B.I had realized
C.did I realize
D.had I realized
【题目4】The message is very important, so it is supposed _______ as soon as possible.
A.to be sent
【题目5】The necklace is assessed ________ 10,000 yuan.