题目内容
16.We have tothink(think) about our personal safety wherever we are.分析 无论我们在哪我们必须考虑自身安全.
解答 答案:think.结合前面的have to 表示必须,不得不,后加动词原形,think是动词思考,故答案是think.
点评 have to表示客观需要做的事情,意思是"必须"、"不得不".后跟动词原形,有人称、
时态和数的变化,与情态动词 must 近义.
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