问题补充:
Sally is busy her homework.
A. in
B. at
C. with
D. on
答案:
A. in
B. at
(答案→)C. with
D. on
解析:考查固定结构。Be busy with sth.忙于某事;be busy doing sth.忙于做某事。所以选 C。
时间:2023-07-16 03:47:41
Sally is busy her homework.
A. in
B. at
C. with
D. on
A. in
B. at
(答案→)C. with
D. on
解析:考查固定结构。Be busy with sth.忙于某事;be busy doing sth.忙于做某事。所以选 C。