---- I think George doesn’t really care for TV plays. ---- Right, ________ he still watches the program. A. and B. but C. or D. so
They had great difficulty ____ the people ____ in the fire.
It was midnight _____we reached the station.
When he turned professional at the age of 11, Mike _____ to become a world champion by his coach and parents.
In some countries where there is not enough coal, water is used to ____ electricity.
How I regretted ______ the hours in the forest ______ I should have studied hard in the classroom.