Subway Line 4, ______ into use in September 2009,has made traveling in Beijing easier.A. having been put B. puttingG. being put D. put
Mr Brown and his wife expect that by the year 2015 they __________ in Beijing rather than in other cities.
A ___________ identification card is required when you purchase foreign money from the Bank of China.
The observations which he reported __________ marketing bothered his boss a lot.
Remember when you learned to water ski, David? _________ you skied more, you got better and better. It’s the same with language study.
________ over everything whenever we want to make a decision, many people believe, and we will have less chance of making mistakes.