what great they are!

what great they are! What great they are!还是How great they are! What great scientists do you know?What are they known for?用英文回答。 they are great that,s -（ )do you like these magazines?-they are great!A:What B:How C:Which D:Why What a great fun they are having in the park 改错 They are off to a great start.What does off mean here? They are having a great time on the isliand.改为感叹句what a great time they are having on the island! what are they What are they? What are they doing? what are they doing? what nice they are What are they What are they? What are they? What islands are they? what are they!