I won’t call you, ___________ something unexpected happens.
| A．unless | B．whether | C．because | D．while |
She ______ behind the door in order not to be found. Two minutes later she was safe again.
| A．hold her breath | B．catch her breath |
| C．held her breath | D．lost her breath |
— How do you find your English teacher?
— She is always full of _____ as though she never knew tiredness.
| A．strength | B．force | C．energy | D．spirit |
_____ 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 |