Light-to-moderate smokers were ________ to die of sudden heart problems than those who had never smoked.
| A．as twice likely | B．twice more possible |
| C．twice more likely | D．as twice possible |
My friend came to school _________,I told him I ______about her.
| A．calm; add up | B．loose; face to face |
| C．upset; was concerned | D．entire ; set down |
The athlete seldom wears anything other than sportswear ______the season is.
| A．wherever | B．whenever | C．however | D．whatever |
The black horse is ______ of the pair.
| A．the stronger | B．the strongest | C．strong | D．stronger |
Much to his surprise, he invited only twenty friends to the dinner, but ______ came.
| A．twice as many | B．as many as twice | C．twice as many as | D．twice more than |
Not until I had arrived home______ my appointment with Michael Smith.
| A．did I remember | B．that I remember | C．when I remember | D．had I remember |