19.Healthy diet should _______ some nutrition,_______ sugar,protein and calcium.( )
A. | contain; included | B. | containing; including | ||
C. | be contained; included | D. | contain; including |
18.As a result of the heavy rain,we had to put off the visit until tomorrow to the exhibition of painting _________ in the city museum.( )
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A. | to be held | B. | held | C. | holding | D. | being held |