問題補(bǔ)充：
單選題
This is the second time Nie Haisheng ________ to be the astronaut who took the glorious task.A.has been chosenB.had been chosenC.was chosenD.chose
網(wǎng)友答案：
熱心網(wǎng)友 1樓
A解析This/ It is the first/second ,etc. time 后面的從句應(yīng)該接現(xiàn)在完成時(shí)。
