题目内容
She's busy ________ her homework now.
- A.do
- B.to do
- C.doing
- D.did
C
be busy doing sth. /with sth. 忙于做某事。
be busy doing sth. /with sth. 忙于做某事。
练习册系列答案
相关题目
My mom always _______ she’s busy.
| A.says | B.speaks | C.tells | D.talks |