-----Did you find the missing couple in the mountain yesterday?-------No, but we _ to get in touch with them ever since.A have tried B. had tried C. have been trying D. had been trying
—Why did he____ ____from the company? —In order to get a more challenging job.
The three sisters decided to hold a family party to their parents’ silver wedding.
He for two weeks , so he had a lot of work to .
I went there yesterday to see my uncle .
All the people __ __the meeting were very important.