The air quality in the city, ________ is shown in the report, has improved over the past two months.
A. it B. that
C. which D. as
_______ he was admitted to Tsinghua University---- he was so clever and hard-working.
A. No wonder B. Even if
C. Now that D. As if
We can go on Tuesday or Friday, _______ you prefer.
A. whichever B. whatever
C. no matter what D. no matter whichever
I often stay up late into the night, _________ leads to my sleeping in class.
A. that B. which
C. it D. that
To avoid _________, the team wore different-coloured uniforms.
A. confusing B. being confusing
C. confused D. being confused
In all his life, Dickens wrote a large number of excellent novels, some of which ______ still popular.
A. are B. is
C. were D. was