Aunt Liu is busy ________ breakfast for us.

Aunt Liu is busy ________ breakfast for us.

A.preparing

B.preparing for

C.prepared

D.prepared for

答案及解析： A

此题题意为“Aunt Liu正在为我们忙着做早饭”。“准备早饭”应该用prepare breakfast；而prepare for breakfast则表示“为早饭做准备”。