36._____ the poem a second time, the meaning will become clearer to you.
A. our having read B. While reading
C. If reading D. When you read
35._____ much advice I gave him, he did exactly what he wanted to do.
A. How B. Whatever
C. However D. No matter
34.They were surprised that a child should work out the problem _____ they
themselves couldn't.
A. once B. then
C. while D. if
33.Not until all the fish died in the river______ how serious the pollution was.
A. did the villagers realize B. the villagers realized
C. the villagers did realize D. didn't the villagers realize
32.It was not until 1920______ regular radio broadcasts began
A. while B. which C. that D. since
31.If we work with a strong will, we can overcome any difficulty, ______great it is
A. what B. how C. however D. whatever
30.When a pencil is partly in a glass of water, it looks as if it______.
A. breaks B. has broken
C. were broken D. had been broken
29.She thought I was talking about her daughter, ______, in fact, I was talking about my daughter
A whom B where C which D while
28.Although he is considered a great writer, ______.
A his works are not widely read B but his works are not widely read
C however his works are not widely read D still his works are not widely read
27.It was not until 1920 ______ regular radio broadcasts began
A while B which C that D since