The sun has risen ,let’s go to have a barbecue.为什么一定要用现在完成时,

The sun has risen ,let’s go to have a barbecue.为什么一定要用现在完成时, The sun _____ （rise）,let’s go to have a barbecue.用什么时态? the sun has risen at half past five.句式对吗.我要用过去现在完成时形式.就是用ris 用介词填空 In summer,at 6a.m .the sun has risen _____ the horizon It"s----------.Let"s go to the park.(sun) let's have a barbecue.怎么改反义疑问 let's have a barbecue 怎么改反义疑问句 Let's have a barbecue tomorrow 同义句转换 Let's go to the park on-----(sun)适当形式 The sun was risen.和 The sun has risen.区别在哪里? ( )the little girl,please.she has a headache.let's go to hel The sun ( ),they continued their way.A.has risen B.having ri