In spring,we can hear birds -----(sing) in the trees应该是填sing 还是singing呐老师说是填singing的这是为什么呢?

Can we fly kites in spring?怎么回答啊 fly,in,can,we,kites,spring怎么连词成句 we can ()(see) many beautiful flowers in spring Why can we gko on a field trip in spring Why can we go on a field trip in spring? in spring we can see many flowers everywhere同义句in spring we can see many flowers - - -3个空 in spring,it's()in fall,it's() in winter,we can() We can make a snowman in （ ）.A.summer B.winter C.antumn D.spring We can plant trees in spring.对plant trees提问,怎么提? in ___ we can eat many watermelons 1.spring 2.winter 3.summer Why can we go on a field trip in spring? 这句话答句是什么? Why can we go on a field trip in spring?又该怎样回答?. 用所给的单词填空We can ____(plant)tree and we like _______(have)a picnic in spring. we are very __(sleep)in spring. we are very ___(sleep)in spring. we ofter go on an( ) in spring hea What can you do in spring?