Nelson Mandela is，__________ the greatest man of the 20th century，certainly among the most extraordinary leaders．
| A．if there | B．if any | C．if not | D．if so |
—Is there a fog in the evening ?
—There _____ be . I’ll make a phone call to find it out .
| A．must | B．would | C．will | D．might |
I am afraid I am not fit for the job, because it is one__________ requires a lot of patience.
| A．who | B．that | C．what | D．where |
—I don’t think you should use the dictionary while reading newspapers.
—_____, but I can’t do without it.
| A．No, I should | B．Yes, I shouldn’t |
| C．No, I shouldn’t | D．Yes, I should |
We agreed to accept__________ they thought was the best professor in the college .
| A．Whatever | B．whomever | C．whichever | D．whoever |
You____scold such a pupil who always keeps silent so seriously that
You______hurt him.
| A．should; can | B．may; will | C．mustn’t ; may | D．can’t must |