English
中学生
解決済み
為什麼這兩題的主詞和be動詞都可以省略還有60題的D為什麼不能選？
59.
60.
D
) on; on
The students felt a little scared
teacher and
<; on
(D) on; in
around their
Vpt.
to a ghost story.
(A) when they sit; listen (B) while they are sitting;
listening (C) when they were sitting; listened
(D) while sitting; listening
they were
Justin lost his cellphone while
afternoon.pt.
the bus this
(A) he's riding on (B) he was riding in on
(C) riding on (D) he's taking
(he was)
回答
疑問は解決しましたか？
