[ Grammar ]
How often __________ you __________ the floor?
A. do / clean
B. does / clean
C. are / cleaning
D. is / clean
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Grammar › ViewAdjective Comparative Superlative
___________ , faster, fastest
A. fastest
B. faster
C. fasten
D. fast
Grammar › View
Where is this famous opera house?
A. Sydney, Australia
B. Johannesburg, South Africa
C. Auckland, New Zealand
D. Dublin, Republic of Ireland