4道英語選擇題的解釋（正確答案已給出,只需說出選那個答案的理由）

題目：

4道英語選擇題的解釋（正確答案已給出,只需說出選那個答案的理由）
（B）___of people have never been there.
A,Three fourth B.Three-quarters C.Three-fourth D.Third-four
(B) Our life has greatly changed here since___.
A.the seventieth B.the seventies C.seventy years D.the past seventy
(A)There ___two minutes left.
A.are B.is C.have D.has
(B)There are ____in the garden.
A.a kind of flower B.all kinds of flowers C.a few kind of flowers D.a few kinds of flower
·請說出每道題爲什麼要選那個答案,越明白越好,我會給出相應的追加分!

解答：

第一題,表示四分之三,有兩種方法：three-quarters或three fourths, three-fourths
第二題,the seventies表示七十年代
第三題,there be 結構的主謂一致搭配,都是和後面的名次單複數配合的,因爲two minutes是負數,所以選are
第四題,all kinds of =different kinds of =various表示各種各樣的,後面加可數名詞的複數形式