Choose the best answer (A, B, C or D) to complete each sentence. 1. I have never seen _____ building in the world. A. most modern B. moderner C. the modernest D. a more modern 2. _____ a baseball match last ? A. How often B. When does C. What time does D. How long does 3. This picture looks very nice, _____ ? A. is it B. does it C. doesn't it D. isn't it

The sentence is expressing admiration for a picture. The best response is A. is it, to agree with the positive statement about the picture.

The sentence is asking for the time at which a baseball match started last. The best response is C. What time does.

In this sentence, we are comparing the modernity of the building to all the other buildings in the world. It should be 'a more modern' to show the comparison between two things.

The best answer is A. is it.

The best answer is C. What time does.