---____ will the meeting _____?---In about 20 minutes.
| A．How long, last | B．When, last | C．How often, finish | D．How soon, end |
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 |
Bill Gates has created a wonderful “window”, ______ people can surf the Internet freely.
| A．that | B．which | C．where | D．when |
You will make some progress in your study of English ______ you keep more words in mind.
| A．as far as | B．as soon as | C．as well as | D．as long as |