Question

【题目】There will be the 18th sports meeting of No. 2 High School next month. The students are busy _____ it.
A.to prepare for
B.preparing for
C.to preparing for
D.prepare

Answer 1

【答案】B
【解析】句意：下个月将要举行二中第18届运动会，学生们在忙着为之准备。be busy doing sth.“忙于做某事”，故选B。