World Expo 2010 Shanghai, China, a grand scale global event, has __________ the significant(意义重大的)theme "Better City, Better life".
.______ is known to everybody, the moon travels round the earth every month.
.When you are driving on this road, you have to limit your speed _____ 60 miles per hour.
.—What do you mean. There are only ten tickets?—There ______ be twelve.
.Jane is said _______ an opera singer in her youth.
.It is in Qingdao ______ you are going to pay a visit to ______ this kind of washing machine is produced.