—When did the story happen?
—It happened in ________ spring of ________ 1937.
| A．the; the | B．a; the | C．the; 不填 | D．不填；不填 |
28. There is no doubt ______ you will be successful in time as long as you study hard.
| A．whether | B．if | C．that | D．What |
27. He often thinks of ______ he can do more for his country, so he is highly spoken of by the people throughout the country.
| A．what | B．that | C．how | D．Whatever |
26. Word has come ______ the Chinese football team has failed again, _______ makes many football fans frustrated.
| A．that; that | B．what; what | C．which; that | D．that; which |
25. ______practice makes perfect is true.
| A．What; | B．That | C．Which | D．If |
24. The reason ______ he is absent from class is _______ he has caught a bad cold.
| A．why; because | B．that; what | C．for which；because | D．why; that |