We don’t doubt _______ we will complete all the projects before the year 2010.
| A．when | B．if | C．that | D．whether |
About 60 percent of the students ________ from the south,the rest of them ________ from the north and foreign countries.
| A．are;is | B．are;are | C．is;are | D．is;is |
He looked quite healthy though he was _________.
| A．in seventy | B．in his seventy |
| C．at seventies | D．at the age of seventy |
Everything is not in good order but _________.
| A．at six and seven | B．at sixes and sevens |
| C．sixes and sevens | D．on sixes of sevens |
It was January the_________he came here last time.
| A．thirty-one that | B．thirty first that |
| C．thirtieth-one when | D．thirty first when |
About _________of the workers in that steel works are young people.
| A．third-fifths | B．three-fifths |
| C．three fives | D．three-fifth |