It is on October 1,2009 that the People's Republic of China ______ its 60th birthday.

A:congratulated B:kept C:remained D:celebrated

Our motherland China will celebrate her 60th birthday （）October 1st, 2009.

A:in B:at C:on D:/

It is on October 1,2009 that the People's Republic of China ______ its 60th birthday.

A:congratulated B:kept C:remained D:celebrated

Our motherland China will celebrate her 60th birthday （）October 1st, 2009.

A:in B:at C:on D:/

It is on October 1,2009 that the Peoples Republic of China its 60th birthday.

A:congratulated B:kept C:remained D:celebrated

It is on October 1,2009 that the Peoples Republic of China its 60th birthday.

A:congratulated B:kept C:remained D:celebrated