The doctor tried his best _____ the boy"s life.[ ]A. savingB. to saveC. save

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The doctor tried his best _____ the boy"s life.[ ]
A. saving
B. to save
C. save
D. saved

答案

举一反三

Would you like ______ Chinese stamps?[ ]
A. collect
B. to collect
C. collecting
D. collected

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The headmaster asked the pupils __ too late on weekdays. [ ]
A. not get up
B. not to get up
C. don"t get up
D. to not get up

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Her parents are strict with her and they don"t allow her __ out late. [ ]
A. stay
B. stayed
C. staying
D. to stay

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Granny often tells us _______ water in our daily life.[ ]
A. save
B. saving
C. to save
D. saves

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It is our duty     _   our hometown clean and beautiful. We must do something for it.  [     ]
A. to keep
B. keeps
C. keeping

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