—How long do you think it is ________ he arrived here? —No more than half a year, I believe.
All the boys were filled with_____________ when they saw Tom’s new bicycle.
The woman____________________ a scream when she saw an urgly man.
____________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.