With new technology, pictures of underwater valleys can be taken color.
When I came ________ with the teenager hidden in the cave, I was surprised to find him ________ covered with dust.
You can never imagine what great difficulty I had ________ his parents.
One of the engines of the plane was out of order and the bad weather ________ the difficulty.
--- Oh, it’s you! I ________ you. --- I’ve just had my hair cut and I am wearing new glasses.
He made a mistake, so he told a lie to avoid ______.