She is pleased with what you have given her husband and______you have fold him.
A. that
B. which
C. al what
D. all that
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Although I hadn't seen him for years, I______his voice on the telephone at once.
A. realized
B. recognized
C. heard
D. discovered
So fast______that it is difficult for us to imagine its speed.
A. light travels
B. travels light
C. does light travels
D. does light travel
The Americans and the British not only speak the same language but also ______ many social
A. join
B. share
C. create
D. maintain
In construction, the Romans made extensive use of______.
A. iron ore
B. geometry and trigonometry
C. Greek mathematical thought
D. both B and C