You can never know ________ when she received our nice birthday presents.

We haven’t discussed yet ______ we are going to place our new furniture.

The couple are spending their holiday on _____is described as one of the most beautiful islands.

It’s said that the school will be built in _____is called developing zone

He asked ______the work was done as it had been planned ______.

Mr Clark thanked God for saving their lives and turning _____he felt was a tragedy into a blessing.

It is difficult to tell exactly ____ the saying began, but it is probable that it was in the theater or movie industry.

When changing lanes, a driver should use his turning signal to let other drivers know      .

---- Where does Mr. Black live ? Can you guess?
----- Sorry, I can’t guess ________.

I am really worried about _____ I have hurt his feelings, though I didn’t mean to.