英语语法选择It is not immediately clear __ the financial crisis will soon be over.A.what B.which C.that D.how

英语语法:it is +adjective +of ...+(not) to-infinitive 英语语法选择It is not immediately clear __ the financial crisis will soon be over.A.what B.which C.that D.how 选择填空 Your life is not very interesting,( )it A does B does not C is D is not 英语语法选择, The cup is dirty.It is not clean.变成选择疑问句 真正英语语法高手请进1,Mr Li thinks ______ necessary to vist the Effiel Towel in Paris.A,it is B,that is C,that D,that it这个题选择什么?为什么?2,She was ill yesterday.______ she did not come to school.A,No wonder B,so that 这两 英语语法there be 句式一般疑问句的正确回答是怎样的?本人印象当中,单数形式好像是yes,it is和no,it is not. it is not big it is not my it is not it is not goodbye it is not It is not.,but. It is not ( )you no,is it not It is not you ,()it? It is not a peach.It's an什么?A orange B appleIt is not a peach.It's an什么?A orange B apple 为什么选择A Youth is not a time of life; it is a state of mind.（英语语法请教）Youth is not a time of life; it is a state of mind.上面这个句子我老是弄不明白句型和语法,