请帮忙做5道选择题

4A apart from是except for的意思，即“除了… 以外没有”；besides是“除了以外还有”；but for一般用于虚拟语气中，是“要不是”的意思；due to是“由于”。句意为除了少数考试没及格的人外，大厅里所有的学生兴致都很高。
5C 现在分词做状语
6B本应做去没做~~ought to /should have done
7C can not 否定推测~~你不可能感到累
8B allthat 等于what I want 定语从句修饰All

4. __d___ the few who have failed their examinations, all the students in the hall are in very high spirits.
a. Except for b. Besides c. Due to d. Apart from
5. It ___C____ a fine day, we went for a walk.
a. is b. be c. being d. to be
6. You _____b___ a letter to him. However, you didn’t .
a. ought to write b. ought to have written
c. should write d. should be writing
7. You ____c___ be tired; you have only just begun to work.
a. can not b. should not c. mustn’t d. may not
8. All ___c____ is a nice meal.
a. what I want b. that I want c. the thing I wanted d. which I want

a c b a b
4besides用于包含前者的情况，意思是除了……，……也是，不符题意
5逗号之后没有连词，前面的句子应该是个从句
6ou