适当形式填空：These days I'm busy with ___(shop).The Spring Festival is coming. 最好说出理由

shopping
介词后跟动名词

shopping
介词后跟动名词
be busy with sth.

shopping
因为固定搭配 be busy in(with)doing sth/sth
with/in 是介词，介词后的动词要用ing形式,或者直接跟名词。
建议你使用金山词霸查词