The sea was calm and _____.
. ____ no doubt _____ China will become an advanced country in the future.
. A fire ______ in the shoe factory last night but ____ soon.
. ---- She was late for the party. ---- That’s _________ she had forgotten the exact time.
. As a matter of fact, ___is a hard job for the police to keep order in an important football match.
. ______ it is to have a bath in the ocean in hot summer.