The Chinese nation is____ for its diligence and courage.

The only thing for you ______ is to fill in a form. and sign it.

Success is not won ________. It takes patience, diligence and continuing efforts.A、twi

It is difficult for the woman and her friends to change dates because______.A．it"s rather

It is common practice now ________ the web for resources and information for homework.

For long－time efficiency and happiness it is best to observe the _____ of health an

In the United States it is the_____that formulates foreign policy and prepares laws for t