Sorry, I can’t workout this problem. —Try again,please. It’s only ______ difficult.

He went into his room, the light and began to work.

It’s difficult to ____ a conversation in a noisy room.

I got an A in my English final exam. I really can’t believe it myself!— . I know how hard you’ve worked for it.

His knowledge of French is ___________ for the job, although he was not fluent in the language.