17.If you don't want to be considered rude,you'd betternot hold your eye contact for 3seconds plus.(not hold)

分析 如果你不想被看成是不禮貌的,你最好不要使你的目光接觸超過3秒鐘.

解答 答案是not hold.本題考查動詞的適當(dāng)形式填空;題干中had better表示"最好…",其后接動詞原形,構(gòu)成had better do;否定式為had better not do;故答案是not hold.

點(diǎn)評 本題是要求用所給動詞的適當(dāng)形式填空,解題時首先考慮句中需要的是謂語動詞還是非謂語動詞;其次,如果是謂語動詞關(guān)注時態(tài)、語態(tài)和數(shù)的變化;如果是非謂語動詞要聯(lián)系非謂語的基本用法判斷非謂語的形式.

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