Question

—Did you tell your headmaster that the teachers and students had a number of ________ their lunch?
—Yes. He said he must solve this problem.
A. complains about   
B. complaints of   
C. complaints about
D complaints of 

Answer 1

C

Complain為動詞，complaint為名詞，本題需要名詞形式。Abut表示“關于”，所以本題選擇C。