8. The days are approaching________the World Expo 2010 will be held in Shanghai.
He has been to America twice, _____.
There must be ____ with the machine.
____ I admire David as a poet, I do not like him as a man.
You’ll have to wait for one more week, ______ the manager will be back from his trip.
We finally bought several books by Shakespeare, ______ is one.