How long do you think it will be China becomes a rich and harmonious country?
The form cannot be signed by anyone __________ yourself.
In ancient times, people rarely travelled long distances and most farmers only travelled __________ the local market.
To improve the quality of our products, we asked for suggestions __________ had used the products.
The days are gone __________ physical strength was all you needed to make a living.
As a child, Jack studied in a village school,__________ is named after his grandfather.