The chances of discovering life on Neptune are about a million _____.
Wearing dark glasses can _______ your eyes from the sun.
Nowadays everyone hopes to ______ good education so as to get a good job in the future.
In the west, people make _______ a rule to send Christmas present to their relatives and friends.
_______ was known to them all that William had broken his promise ______ he would give each of them a gift.
“Look at that lady on the stage. She’s already forty.” “You are joking. She doesn’t look ________.”