I’m sorry I can’t help the flowers because I’m busy preparing for the singing competitio

问题补充：

I’m sorry I can’t help the flowers, because I’m busy preparing for the singing competition tomorrow.

A. watering; to be held

B. water; being held

C. to water; held

D. water; to be held

答案：

A. watering; to be held

B. water; being held

C. to water; held

(答案→)D. water; to be held

解析：考查词组和不定式的被动做定语：句意：很抱歉，我不能帮助浇花了，因为我忙着准备即将到来的歌唱比赛。第一空是help do sth，第二空是不定式的被动做定语，表示“将要被…的”。选D。