1.I'm sorry oyu didn't have fun _____ your day off.
A.in B.on C.at
2.I won't have more books because my room is too small._____ some new books are too expensive.
A.However B.Though C.Beside D.Besides
3.As ____ students,what they must do is to study
hard.
A.with B.of C.for C.about
4.The weather in Beijing is colder than _____.
A.it in Nanchang B.Nanchang
C.that in Nanchang D.in Nanchang

1.I'm sorry oyu didn't have fun ___B__ your day off.
A.in B.on C.at
on...day off在假日,再给你个例句:We're going to have a picnic on our day off.

2.I won't have more books because my room is too small._D____ some new books are too expensive.
A.However B.Though C.Beside D.Besides
besides除了还有,这里为了句意更通顺,可以解释为"而且",我们不能拥有(买)更多的书了因为我得房间太小了,而且这些新书又很贵.however然而, 可是, 不过，though虽然，beside边上经常与besides形成干扰选项。

3.As __C__ students,what they must do is to study
hard.
A.with B.of C.for C.about
as for...至于,你把for理解为"对于..."对于学生来说,他们必须努力学习.

4.The weather in Beijing is colder than __C___.
A.it in Nanchang B.Nanchang
C.that in Nanchang D.in Nanchang
考察比较的平衡,要注意1.人称的格的平衡例如Mary loves Jack more than I/me.所用的格不同,并列的内容也不同,意义也不同.前者比较Mary和我对Jack的love,后者比较Mary对我和Jack
的love.2.形式的平衡3.意义的平衡.
此题即为意义的平衡,北京的天气不能和南昌这个地方比较,所以要用that/those of来满足这个平衡.这里要区分的是这样的句子:
I think it is much hotter here than Beijing.
这里不要that of,因为是here和Beijing的比较,它们是平衡的.