Dr Watson wrote his name     and carefully at the top of the paper.

There is no doubt that I'm trying to do what is best, but ________ I have got to consider the cost.

A short, thin man, __ past middle age, visited the manager and applied for the job.

I’ve never seen ＿＿＿＿＿＿＿ film as this. 

Wang Ping hesitated for ___ before he ___ to the question.