Look!The boys flying (fly) kites in the playground.这个句子是正确的吗?如果正确,为什么没有be动词?

Look!The boys flying (fly) kites in the playground.这个句子是正确的吗?如果正确,为什么没有be动词? Look at the birds!They're flying! The boys like flying kites on saturdays and sundays.同义句The boys like flying kites （ ） （ ） look (how/what) excited the boys are! look at the _____(nosie)boys. 英语翻译look some boys -------under the tree Look!Some boys ()(run)in the playground. look,the boys are ( )hockey now.(play) Look the boys are having f_______ Look,the kite is flying h____ in the sky. look.Many children are flying kites in the s__ Look!A bird ( ) in the sky.A.flies B.is flying C.fly D.flying the are look playing boys football .)(连the are look playing boys football .)(连词成句) Look!The boys （）（run）in the playground. Look!The boys ____(play)basketball on the playgrould. Look,the boys( )(play)football on the playground.找出关键词 填空Look ------- the two boys.They have the same-------. look.the butterfly______than the bee.a:fly high b:fly higher c:is flying higher d:is flying high