题目内容
People in developed countries are supposed ________ more healthy food before than they have today.
[ ]
A.to be having
B.to have
C.having
D.to have had
答案:D
解析:
解析:
|
本题结合动词搭配考查非谓语动词. be supposed to do“理应当;照道理”,后面的before说明应该用不定式的完成时来表示过去的动作.本句意思是“照道理,发达国家过去应该比现在有更健康的食物”. |
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