I asked him whether he had done all the work himself ________ whether he had had
题型：不详难度：来源：
| I asked him whether he had done all the work himself ________ whether he had had any assistance. |
答案
| D |
解析
| 因为只有or才能表示选择，意为“(是…) 还是”。 |
举一反三
| For a person with reading habits, a printed page contains not only words ________ ideas, thoughts and feelings. |
| ________ the man grew older, he lost interest in everything except gardening. |
—Oh, I failed again
—Don’t lose heart. One more effort, ________ you will succeed. | A．so that | B．therefore | C．however | D．and |
|
________ I had walked for six hours, I was tired out. | A．After | B．Before | C．When | D．As |
|
________ happens in the world makes us happy and sad by turns. | A．That | B．What | C．Which | D．Whether |
|
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