1.having,have a good time是词组,后面有now开头有Is,是现在进行时态,所以填having
2.is singing,is dancing 现在进行时态,主语是第三人称单数,所以填is singing,is dancing
3.doing,现在进行时态,问Amy 正在做什么,填doing
4.playing the violin,现在进行时态,动词play要+ing
5.eating good food,现在进行时态,动词eat+ing
6.likes drawing pictures,一般现在时,Mike是第三人称单数,动词like要+s,固定搭配like doing sth
7.draw pictures,一般过去时态,Did 开头提问,后面动词用原形
8.is going to draw pictures,一般将来时态,be going to do sth,主语是he,所以be选is
9.likes dancing,一般现在时态,主语是三单,动词like要+s,固定搭配like doing ,所以是likes dancing
10 taking pictures,一般现在时态,like doing,所以是taking pictures
11 is taking pictures,现在进行时态,
12 play the erhu ,can是情态动词,后面加动词原形,所以是can play.
13 is having a good time,现在进行时态,everyone是不定代词看做单数,所以是is having.
希望能帮到你啊!