__________ were the boys —Oh， they played basketball on the playground.

Scientists said that the winter of 2011 was _____ cold, and in fact it was much colder than predicted

who is the man over there Is it Mr.Wang —No, it _____be him .Mr.Wang is much fatter.

Did you arrive here this morning?—Yes,it was at nine o’clock ____we came here.

Not only Mr. and Mrs. Green but also their daughter ________ abroad twice.