Do not let any failures discourage you，for you can never tell________close you may be to victory.
| A．how | B．that |
| C．which | D．where |
I can''t find Jane anywhere in the office building . Where ____ she have gone ?
| A．must | B．can | C．should | D．need |
There were already five people in the car but they managed to take me as well . It ____ a comfortable journey .
| A．can''t e | B．shouldn''t be | C．mustn''t have been | D．couldn''t have been |
Mary ____ be in Paris . I saw her a few minutes ago .
| A．mustn''t | B．shouldn''t | C．can''t | D．may not |
You are wet through . You ____ in the rain .
| A．must come | B．must be caught | C．must have caught | D．must have got caught |
Put on more clothes . You ____ be feeling cold with only a shirt on .
| A．can | B．could | C．would | D．must |