The mother felt herself cold and her hands trembled as she read the letter from the battlefield.
I planned ________ to see you last week, but I was ill.
.While building a tunnel through the mountain, ________ .
The train ________ arrive at 11∶30, but was an hour late.
.The two ladies are ________ the same age, but there seems to be ten years ________ them.
Paper produced every year is ________ the world's production of vehicles.