_____ a hot bath every day is good for our health.
A. Take
B. Taken
C. Took
D. Taking
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It is no use____ a child to do what he is unwilling to do.
A. asked
B. to ask
C. asking
D. ask
There is no doubt that_____ the environment is imperative.
A. protecting
B. be protected
C. protect
D. to protect
____ a great contribution to his country, Tom was awarded a medal of honor bythe government.
A. Have made
B. Made
C. Having made
D. Making
When guests or friends come to our home, the etiquette of____and________ teais indispensable.
A. make; serve
B. making; serving
C. made;served
D. having made; having served