--When __________you __________to cough?--Two days ago.A. do; begin B. did ;began C. did ;begin
After finishing reading the novel, he continued _______ games with his friends.
You can look ______ the new words in the dictionary.
The solider was _______ in the arm in the war.
He is highly praised _______ the teacher _______ his hard work.
I will perform _______ the piano in the concert to be held tonight.