When he picked up a large sum of money by accident, he battled with his _____ whether he should keep it or return it to the owner.
The play ______ next month aims at mainly to reflect the local culture.
What made the archeologist feel excited was that he finally found two ancient vases in ______ seemed to him to be a king’s bedroom.
---Xiao Ming, will you take part in the coming National English Speech Contest? ---______, we should catch the precious opportunity.
Mr. Luke, in ______ supermarket we bought an i-Pad last week, will give us a report on how to choose a career this evening.
My doctor advised me to reduce the amount of sugar ______ to the milk I drink.