A giant helium(氦) balloon is telling residents of Paris how good or bad the air quality is. When it’s good, the balloon ----measuring 22 meters wide and 32 meters high---shines green. _________, it’s red.
#91781
A
Though terrible
B
Whenever good
C
If worse
D
When bad
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— ______ will get the first prize?— I'm sure, Li Hua. 
#91745
A
Who do you think
B
You think who
C
Do you think who
D
Whom do you think
She has worked at the bank for many years,nine ______.
#91824
A
generally speaking
B
believe it or not
C
to be exact
D
to be honest
 The student did not catch the last bus, _______, it began to rain cats and dogs.
#91796
A
in the flesh
B
at times
C
what’s worse
D
back and forth