The famous waterfall in Canada is _____________. |
A. New York B. Rocky Mountains C. Niagara Falls D. the Palace Museum |
—What did your father do yesterday? —He ________ the floor. |
A. clean B. cleans C. cleaned D. cleaning |
The famous waterfall in Canada is _____________. |
A. New York B. Rocky Mountains C. Niagara Falls D. the Palace Museum |
—What did your father do yesterday? —He ________ the floor. |
A. clean B. cleans C. cleaned D. cleaning |