Our factory is three times as ____as theirs.
A. big
B. bigger
C. biggest
The more you practice,_____ you can speak.
A. the well
B. the good
C. the better
What _____ dog it is!
A. a cute
B. cute
C. cuter
_____,he finished the work all by himself.
A. Luck
B. Luckily
C. Lucky