1.
请问空格该填入哪个单字呢？
(Mr. Lin is a tour guide.)
Dear Mr. Lin:
All of us are really enjoying this tour. You've s____n us so many interesting
places. We've learned a lot.
2.
请问这题是不是四个答案都错呢？
Chinese ______ a hard-working people.
Chinese_______ sometimes kind to everyone, especially to the tourists.
(A) are,is
(B) is, are
(C) have, are
(D) has, have

to have shown

第二题答案都事实错误is not/are not才对

第一题 shown, 第二题都错 题目就错了