—Why didn’t Betty come to school yesterday?—_________ she was ill. 
#58530
A
But
B
Though
C
If
D
Because
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When we write our homework on the computer, we should  _____ first.
#55940
A
save the document
B
print our homework
C
open a new document
D
turn off the computer
It is _____ to cycle around Guilin. 
#58009
A
a great fun
B
a fun
C
great fun
D
a great funny