a cooker must have a good sens of smell为什么have不用变成has呢?

a cooker must have a good sens of smell为什么have不用变成has呢? i am a good cooker是什么意思 I must have a problem Men must have a backbone 用英语解释句子、What a good cooker! ____is fun.A:cook B:cooker C:cooking D:cooks There is a electric cooker in the kitchen.怎么改错 _______is fine .A.Cook B.Cooker c.cooking D.Cooks I got a s____off the cooker this morning I just want to be a electric cooker for i must have a ipad 对还是i must be have a iPad 正确?哪个对? He looks tired,he _______ too little sleep.A must have had B must have C must have been you must a----- have a good imagination 首字母填空 改错 jimmy have a toothache.must he see a denist i think he must have been a mechanic,中的must和have been是什么词啊? He can't find his key.He ---------- them.A.must lost B.must have been lost C.must have lost he ____well and he wants to be a ______.a:cooks,cooker b:can cook,cooker c:cooks,cook d:cook,cook He well and he want to be a A.cooks;cooker B.can cook;cooker C.cooks;cook D.cook;cook