I supported him in time , otherwise he_______off the bike .
It is not immediatelyclear ____the financial crisis will be over.[ ]
______ do you exercise —Once a week.
10 years ago, _________ only one classroom building in our school. And in 10 years, _________ five classroom buildings in our school.
John,a friend of mine,who got married only last week,spent $3000 more than he _______ for the wedding