A big earthquake __________7.1 on the Richter scale struck Yushu, knocking down buildings and causing more than two thousands people to lose their lives.
People generally think that fairness and justice are at the centre of ______ they are striving for.
______ once every two years, whether it is a car, a bus or a lorry, is the rule that all drivers must obey in our country.
In extreme weather, a worn tyre can break easily ______ it’s mended, as is often the case.
Of all the clues they provided, ______ is of any help for solving the case of robbery.
Boys and girls, make sure you ______ your names on the test paper before handing them in.