their final medical check, the astronauts boarded their spacecraft．
A．Received B．Being received C．To receive D．Having received
In time we reached a stage we had more young readers than old ones．
A．where B．how C．who D．what
her emotion, she buried her face in her hands．
A．Controlled B．To control C．Being controlled D．Having controlled
One advantage of owning your own car is you can go anywhere at any time you like．
A．when B．why C．what D．that
—Alice, why aren’t you at work today?
—I a day off．
A．have given B．have been given C．gave D．was given
Mr. Chapman retired at 70 after he nearly 40 years with the Gas Company．
A．had spent B．has spent C．spends D．would spend
