Where did you get these photos taken?—It was in the countryside _______ my wife and I once worked[ ]

They ________ out the problem, but failed. –What a shame ! I never thought it was going to happen like that.

It was the belief ______ he would be successful sooner or later _______ made him work hard day and night.

I kept looking at the man, wondering _______

The local guide told the explorers that ropes and knives were＿＿wanted to go into the inner part of the mountain must take along.