【多选题】商业信用是现代信用的基本形式,它是指( )
【单选题】Toad went upstairs a little crossly , but he was pleased to get out of the washerwoman's dress.
【多选题】商业信用是现代信用的基本形式 . 它是指 ( )
【简答题】已知数列 n-1 n为奇数 n n为偶数 ,则a 1 +a 100 =______,a 1 +a 2 +a 3 +a 4 +…+a 99 +a 100 =______.
【多选题】商业信用是现代信用的基本形式,它是指( )
【单选题】The arroyo toad is disappearing because
A.
it has been threatened by frogs,
B.
it is losing its habitat.
C.
a disease has been killing its eggs.
D.
it can't bear the cold of winter.
【多选题】商业信用是现代信用的基本形式,它是指()
【多选题】商业信用是现代信用的基本形式,它是指( )
【单选题】The next day Toad buys a big and very expensive motorcar.句子中的谓语是( )。