Zheng He, a Ming dynasty explorer, illness on his way back to China from Africa in 1433.
A. lived on
B. tried out
C. died of
I think this problem is much more difficult than that one,______?
| A．don’t I | B．do I |
| C．is it | D．isn’t it |
Mother told me sound____slower than light.
| A．traveled | B．travel |
| C．travels | D．traveling |
—I have no idea____Mary will go shopping with us or not.
–I don’t know,either.
| A．whether | B．that |
| C．when | D．how |
Many people watched CCTV’s Dictation Assembly of Chinese Characters(汉字听写大会). It had a great ____on developing our native language.
| A．decision | B．style |
| C．influence | D．chance |
____is one of the four great inventions of ancient China.
| A．Paper-making | B．The train |
| C．The computer | D．The car |