_____ we celebrate a festival it changes a little and in that way we keep our culture alive．
| A．Some time | B．Each time | C．From time to time | D．Many a time |
_____ people who buy IBM PC686 is larger than ever before.
| A．A lot of | B．A number of |
| C．A great many | D．The number of |
There is no greater love than ________ who devotes his whole life ________ mankind.
| A．that of a man; to benefiting | B．a man; to benefiting |
| C．that of a man’s; benefits | D．a man’s love; in benefiting |
Few people know the fact ______ was not until 1936 that basketball became a regular part of the Olympic Games.
| A．it that | B．that it | C．that | D．it |
The old town has narrow streets and small houses _____are built close to each other.
| A．they | B．where | C．what | D．that |
It was not until near the end of the lettershe mentioned her own plan.
| A．that | B．where | C．why | D．when |