—How long do you think it will be______ man can finally solve the problem of cancer?—Well,it depends
— Have you ever visited the Opera House?—Yes.When I was in Sydney, I ______ it twice.
The traffic accident _________all his life. After that he was limited to a wheelchair.
______ was reported in the local paper, since the carrying out of the performance salary, efficiency in work has ______doubled.
This picture brought the hours back to me ____ I was taken good care of in that faraway village.
Your opinion about the modern education is not similar to ____ of the other teachers’.