21．The doctor couldn’t answer the question _____ the patient could survive that night．
| A．if | B．that | C．whether | D．What |
Which of the following sentences is NOT right?
| A．There is no doubt that you will succeed. |
| B．We have no doubt that you will succeed. |
| C．We don’t doubt that you will succeed. |
| D．We don’t doubt whether you will succeed |
All ______is needed is that you can stay with us.
| A．the thing | B．that | C．what | D．which |
He proved himself a true gentleman and the beauty of his ____ was seen at its best when he worked with others.
| A．attention | B．appearance | C．talent | D．character |
Some equipment as well as a number of maps and books ______ to the area since the earthquake happened.
| A．has been offered | B．had been offered | C．is being offered | D．is offered |
As time__________, she became more and more anxious about her son’s safety.
| A．passing | B．going by | C．passed | D．goes by |