Li Xing’s illness(病) is very_____. You must take his illness ______. 
#35393
A
serious, seriously
B
serious, serious
C
seriously, seriously
D
seriously, serious
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There is_____ in the classroom, we can see_______.
#35970
A
enough light, clearly enough
B
light enough, clear enough
C
enough light, enough clearly
D
light enough, enough clearly
.Not all the students sitting in the back row can see the words on the blackboard _________.
#35292
A
enough clear
B
clear enough
C
clearly enough
D
enough clearly
 --_______ does your father watch TV? --He is always busy, so he _______watches TV.
#35332
A
How long; sometimes
B
How often; hardly ever
C
How many; never
D
How much; always