-My mathematics is very poor.
-Don’t worry. I’ll help you ______ I can.
| A．as far as | B．as soon as |
| C．as quickly as | D．as possible as |
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 |
______ lots of times, the song doesn’t sound as nice as before.
| A．Hearing | B．To hear | C．Having heard | D．Heard |