3.文章の中の間違っている英文を選びなさい。
At [A)that] time there were only two tellers at the counter; one was

[B) busy with] a customer, and [C)another] was [D)on] the phone to someone.

4.文章の中の間違っている英文を選びなさい。
The senator was [A)an] honest and [B)upright] man and [C)himself prided]

on [D)his] integrity.