From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
.A highway bridge ____over the river. They hope to finish it next month
____these interruptions, the meeting would have finished earlier.
The word“ media’’ basically refers to____ we commonly call newspapers, magazines and television.
The man stopped from time to time _____whether he was being followed
.Chinese people were so excited when they saw president Hu ____the PLA on the National Day of 2009.