—Did Jack come back early last night?—Yes, It was not yet eight o’clock _____ he arrived home.
The president of the World Bank says he has a passion for China,________he remembers starting as early as his childhood.
The museum will open in the spring with an exhibition and a viewing platform ________ visitors can watch the big glasshouses being built.
The children,________ had played the whole day long,were worn out.
Finally he reached a lonely island ________ was completely cut off from the outside world.
There is no simple answer,________ is often the case in science.