He started to learn English in 1990 and in the years ________ he kept on using it in his work.
______ to get a ticket for the concert Eason's Life, George has been standing in a queue for 3 hours.
With the development of high technology, more and more new things ______ in the past years.
That e-book is no larger than an ordinary book with a screen ______ you can read original book and film reviews.
It was very lucky to see the "Monster of Lake Tianchi", ______ we didn't see it clearly.
– Where are you working now?– In Chongqing. But I _____ in Shanghai for 5 years.