Windows 7中录音机录制的声音文件默认的扩展名为()。
A.MP3
B.WAV
C.WMA
D.RM
参考答案:C
--- Have you got the results of the final exam?
--- Not yet. It will be a few days _________ we know the full results,
A.before
B.after
C.until
D.when
完成句子:根据汉语意思完成下列句子,每空一词。
1. 老师叫Tom不要再迟到了。
The teacher asked Tom not _____ _____ late for class again.
2. 我们应该互相帮助互相学习。
We _____ help each other and _____ from each other.
3. 你能教我如何放风筝?
Can you teach me _____ _____ fly a kite.
4. 我不知道我们什么时候开家长会。
I don't know when _____ have the _____ meeting.
5. 他冲进正在燃烧的房子去救一位有病的老人。
He rushed into the burning house _____ _____ a sick old man.