—Why does Mary look so worried today?—I’m not sure, but she _____ a small accident driving here.
---What do you think of the house? ---_____.It is everything we have been looking for.
A society cannot be successful if it throws tradition away, but it cannot be successful ____if we do something to stop progress.
Not until he went through real hardshipthe love we have for our families is important.
—Would you mind answering some questions on shopping habits? — ________.
Anyone, once ____ positive for H7N9 flu virus, will receive free medical treatment from our government.