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Although television can entertain, inform and keep our children company, it also may ____harmful effects on them physically and mentally.A exceed B excel C exert D excess
You’d better plan a(an) ___route when you plan your journey just in case if there is any problem on your original route.A various B alternate C change D shift
Although our planet as a whole may never ____of water, it is important to remember that clean freshwater is not always available where and when humans need it.A run out B lack C short D inadequate
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