A.at | B.for | C.to |
A.swam | B.swim | C.swimming |
A.in | B.at | C.for |
A.There is a bottle of milk. | B.There is a bottle of juice. |
A.He is good at dancing. | B.He is good at running. |
A.There are fourteen pencils. | B.There are fifteen pencils. |
A.She can swim. | B.She can't swim at all. |