22. “How long do you suppose it is _______ he left for Japan?” “No more than half a month.”
Not until he went through real hardship ________ the love we have for our families is important.
How close parents are to their children ________ a strong influence on the development of the children's characters.
The famous musician, as well as his students, ________ to perform at the opening ceremony of the 2012 Taipei Flower Expo.
Only by increasing the number of doctors by 50 percent ________ properly in this hospital.
Look! The ground is wet. It must have rained last night, ________?