-----Hello, come in. . -----Thank you.
____________a shortage of steel,industrial output has increased by five percent.
To be honest,it took me more than a month to myself__________ the new school life.
It is dangerous to __________ in the forest,because you are easily lost.
The dictionary __________ 10,000 words,__________ many in science.
The policeman stopped the stranger and asked him where he __________.