I have spent every minute I can______mathematics.
A. study
B. studying
C. to study
D. studied
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Nowadays in many places of the world water is______short supply.
A. on
B. off
C. up
D. in
Which position is most suitable for a retired person？
A. Part-time Shop Assistant.
B. Teaching Assistant in Hania's Playschool.
C. Weekend Work in Rubberlast Group Ltd.
D. Teaching Assistant in the University of Bristol.
The old man was very ______.
A. clever
B. strange
C. foolish
What did mother do with her daughter's letter asking for forgiveness？
A. She had never received the letter.
B. For years, she often talked about the letter.
C. She read the letter again and again till she died.
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