The role of Chinese Dama in the economy has been over-estimated by some western media ______ their “gold rush” has had little influence on gold prices.

I called you at 5:00 yesterday afternoon, but no one answered.—Sorry, I with my parents ________ at that time.

Peng’ou Middle School, _______ school in Longhu, held _______ 32nd Shantou Adolescents Science &.Technology Innovation Contest in November, 2016.

The news has _______all over the country _______ the spaceship succeeded in returning to the earth.

Mrs. Black, the principal, has made a great ______to the growth of the school