When spring comes,they miss their home in the north and fly

When spring comes,they miss their home in the north and fly They miss their home in the north.(改成单数句) They often fly k___ in spring when it is windy when spring comes,the snow_disappears____ When spring comes,the temperature-----------? when spring comes还是when the spring comes Children in the US will leave their parents' home when they They ( ) TV in the evening.They do their home When spring comes,the trees g_____ green When spring comes,the days get__and__(long). When should we plant the trees They (〉in spring. When spring comes, the days are long and the ______ (night)