Give the correct tenses or froms of the verbs in the brackets:

They are busy___ ( prepare ) for the upcoming conference.

ANSWERS:

They are busy preparing for yhe upcoming conference.

EXPLAIN:

Cấu trúc với "busy":

`@`S + is/are + busy + V_ing

EX: She is busy doing her homework.

`#yng95`

→  preparing

     ⇒  They are busy preparing for the upcoming conference.

 `@`  S + be + busy + ving  : Ai đang bận  rộn làm ....

Dịch : Họ đang bận rộn chuẩn bị cho hội nghị sắp tới.

`@AT`