英语题问问更健康The professor has a large collection of stamps,_____

The professor has a large collection of stamps,_______ are foreign stamps
A.and more than half of them这和逗号前面构成两个并列的句子.
B.and more than half of which 如果把and去掉构成定语从句就对了.
C.more than half 可以成为句子,但是英语中两个句子一起不能只用逗号连结.
D.more than half of that选项本身就错,Of后面的关系代词只能用which
答案是A.
At the good news,all the people present at the meeting couldn't help but _____ for the victory.
A.cheering B.cheer C.cheered D.to cheer
couldn't help +doing 而couldn't help but +do
句子可以这样改,.couldn't help but they could cheer..
Special attention should be paid ____ the overall quality of students.
A.to improve B to improving C.to be improved D> to improvement
考查固定词组pay attention to,词组中的to是介词,所以后面要加ing.
All through his life,he has been ____ the cause of human rights.
A.working out B.working on C,breaking out D.breaking in
根据句子意思判断啊work out意为算出,解决,运动锻炼.
work on可以解释称为 致力于.
好累.就没多加个分嘛~

1.有and证明是并列意义的简单句，所以of which和of that的从句形式不可用，排除B和D，又因为在英语句子中，逗号不可以连接两个并列简单句，要连接必须要使用and或but等词，所以C选项不可选。
2.can't help but do是固定用法，不可用doing形式。
3.pay attention to是固定用法，to是介词，介词后用动名词形式。
4.work...