John's success has nothing to do with good luck. It is years of hard work hasmade him what he is today.
A. why
B. when
C. which
D. that
第1题:
第2题:
第3题:
用于判断是否成功打开文件流的函数是
A.success()
B.fail()
C.good()
D.ok()
第4题:
第5题:
第6题:
【判断题】英音里字母r在元音后时念为卷舌音, 如shared, hard, work。
A.Y.是
B.N.否