In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
After three hours' discussion, the meeting finally ________ without any agreement on the issue.
It is quite often that the workers are always ________ by heat if they work outdoors for a long time in the hot summer afternoon.
Britain is being ________ in the race for new markets.
This ship set sail and gradually disappeared where the sea ________ the sky.
We are glad to ________ you on the progress you have made.