Invention can be ________ as it may suddenly begin just by noticing something usual.
A．accidental B．careless
C．necessary D．imaginative
—You don't seem to be quite yourself today. What's wrong?
—Oh, I'm suffering from a cold. Nothing serious, ________.
A．yet B．though
C．indeed D．anyhow
—How do you like your new roommate?
—He is too ________. He never shares his snacks with me.
A．mean B．generous
C．unfair D．cruel
—I watch I Am a Singer every Friday night.
—Me too. I have never seen a ________ entertainment program.
A．best B．better
C．worst D．worse
Nowadays, basic health care services are ________ to almost all the Chinese people. This accounts for the fact that the average life expectancy of the Chinese has already risen to 75.
A．attractive B．accessible
C．abundant D．accurate
The Yellow Mountain is ________ tourist attraction that millions of people pour in every year.
A．such wellknown a
B．a so wellknown
C．so a wellknown
D．such a well known
