【单选题】
?There are altogether fifty students in our class, twenty____ are boys. ?
【单选题】
They have built a____.?
①
bridge hundred meters ?
②
bridge a hundred meters long?
③
a hundred meters long bridge ?
④
bridge hundred meters long?
【单选题】
—You’ve given us a wonderful Chinese dinner, Mrs Huang.—____.
①
Oh, I’m afraid I didn’t cook well
②
I’m glad you enjoyed it
③
It’s not necessary for you to say so
【单选题】
2. Everyone of them ____ tired and wanted a good rest.
【单选题】
10. I am not a violent man ____, but these insults were more than I could bear.
【单选题】
The old woman can’t ____ the way to the post office.
【判断题】
<img src=http://huaweicloudobs.ahjxjy.cn/5c863bf95168c08bc833da7680078940.png/>
【判断题】
设a,b是唯一分解整环R中两个不相等的元素,则(a)不等于(b)。
【填空题】
设H是群G的子群,左陪集aH={ }。[填空1]