GWD 6-31＆6-37　求教各位ＮＮ

Q31:

At an orientation meeting, the travelers were told that a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them.

1. a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them
2. they would need a visa, a landing card, and evidence of their being inoculated against typhoid fever
3. they would need evidence of being inoculated against typhoid fever and a visa and landing card
4. they would each need a visa, a landing card, and evidence of inoculation against typhoid fever
5. they would need visas, landing cards, and evidence of inoculation against typhoid fever for each of them

此題答案Ｄ　請問Ｅ錯在哪呢？

1. in department stores, do very little impulse shopping, not buying a pair of skis and a boomerang when they come in for a basketball, but they leave with a basketball only
2. in department stores, shop impulsively very little; someone who comes in for a basketball will leave with a basketball only and not also buy a pair of skis and a boomerang as well
3. those in department stores, do very little impulse shopping, do not buy a pair of skis and a boomerang when they come in for a basketball, but leave with only a basketball
4. those in department stores, do very little impulse shopping; someone who comes in for a basketball will leave with a basketball only and not buy a pair of skis and a boomerang as well
5. department stores, shop impulsively very little; someone will not buy a pair of skis and a boomerang when they come in for a basketball but will leave with only a basketball

此題答案也為,此題雖然有在討論區找到,但沒有人回答

相同代词在一句话中只能指代相同事物

这里的复数名词有travelers，visas, landing cards，所以each of them 这里的them指代不清

我是这么理解的，不知道对不对

非常感激～