He made a wonderful discovery, of great importance to science.A which I think is B. which I think it isC. which I think it D. I think which is
____never gives up will succeed.
---How do you often spend your spare time? ---Personally speaking, there is nothing happier than reading a book, ____ a cup of tea. drunk B. be drinking C. drinking D. to drink
After the 8.8 magnitude quake, ___ large number of the injured are in ____hospital in Chile.
If I had worked harder at school, I ___ in a comfortable office now.
We ____ last night, but we went to the concert instead.