The fire was so strong that the firefighters couldn’t get it under control, so some soldiers were _______ to help put out the fire.
. It used to be thought _____ the Earth was flat.
. In the west, people make _______ a rule to send Christmas present to their relatives and friends.
. _______ is well known, _______ Hong Kong returned to China on July st, .
. _______ 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 ________.”