________is seventy-seven. A: forty and four B: thirty-seven and forty C: forty or thirty-seven D: seventy of seven

There are ____ students in our school. A: four—hundred and forty—five B: four hundred and forty—five C: four hundreds and forty—five D: four hundred and forty five

It reached a speed of forty miles an hour. It ________ forty miles an hour.

When he was in his ______ , he began to study English. A: forty B: forty's C: forties D: forty's years old

Jane is already in______, but she doesn't look it. A: forty years B: forty years old C: her forty D: her forties

She was a good—looking woman in ______. A: forties B: the forties C: forty D: the forty

( ) Forty and sixty is ________.[1分]

It reached a speed of forty miles an hour. It ______ forty miles an hour. A: ran B: ran with C: went at D: drove with

The book is worth ______ forty dollars.

DonaldTrumpisthe________(forty­-five)Americanpresident.