It was Asimov was eleven years old his talent for writing became obvious.
A．that, when B．When, which C．when, when D．when, that
Is this the reason _____ at the meeting for his carelessness in his work?
A．he explained B．what he explained
C．how he explained D．why he explained
All these gifts must be mailed immediately__________ in time for Christmas.
A．in order to have received B．in order to receive
C．so as to be received D．so as to be receiving
The glass door have taken the place of the wooden ones at the entrance, _____ in the natural light during the day.
A．to let B．letting C．let D．having let
I’d rather have a room of my own , however small it is , than _____ a room with someone else.
A．to share B．to have shared C．share D．sharing
Have you ever listened to the song Yesterday once more, ________ singer died in her early years?
A．its B．it’s C．whose D．which
