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<p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal"><b>This knife cuts very well. 这把刀很锋利。</b><br /><br />(1) 改为否定句<br />—> This knife doesn't cut very well. 这把刀不太锋利。<br /><br />(2) 改为“这把刀根本没办法切东西”<br />—> This knife doesn't cut at all.（句型 not...at all 表示“根本不……”）<br /><br />(3) 改为 Do you think...? “不认为”开头的疑问句<br />—> Do you think this knife cuts very well? 你觉得这把刀锋利吗？<br /></p><span><br /></span><p style="font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;color:#333333;font-weight:normal;text-align:justify;" data-flag="normal"><b>ABC department store is having a sale this week. ABC百货公司这星期正在大减价。</b><br /><br />(1) this week 改为 last week<br />—> ABC department store had a sale last week. ABC百货公司上星期大减价了。<br /><br />(2) 改为疑问句<br />—> Is ABC department store having a sale this week? ABC百货公司这星期正在大减价吗？<br /><br />(3) 改为以 when 为开头的将来时疑问句<br />—&g...