11、 Processed food and food______contains chemicals and preservatives should be avoided.
A、when B、where C、which D、who
12、 We expected about 20 girls but there were______people there.
A、another B、others C、some D、more
13、 Food alone is not the______of energy.
A、source B、resource C、force D、grocer
14、 They resort______fast food which is fatty and contains high amount of cholesterol.
A、with B、at C、on D、to
15、 This morning our water supply was______because the pipe burst.
A、away B、down C、 off D、up