Mr. Smith didn’t understand _____ made his son so upset that evening.
| A．what was it | B．why it was this | C．how that was | D．what it was that |
. Not until _______ smoking ________ healthy lungs.
| A．did he five up, he had | B．did he give up, did he have |
| C．he gave up, he had | D．he gave up, did he have |
. If it _____ sunny, we _______ a picnic. But it is raining now.
| A．had been, could have had | B．were, could have |
| C．had been, had | D．is, could have |
Many Chinese students find it difficult to remember English words, _______ Yang Mei is an example.
| A．for those | B．in those | C．of whom | D．for whom |
It was easy for her to learn French because _______ of her parents spoke the language.
| A．none | B．neither | C．both | D．all |
John Hope Franklin was _______ respected historian and social activist, who wrote about race and _______ struggles of black Americans.
| A．the, a | B．a, the | C．a, / | D．/, the |