5．It will be hard time for us this year unless your new plan ______ well．（　�。�
A．workedB．is workingC．worksD．has worked

分析 除非你的計劃能夠順利實施，否則今年對我們來說將會是很困難的時期．

解答 答案：C．
本句中主句的時態(tài)為一般將來時，結(jié)合unless引導(dǎo)的條件狀語從句中需要使用一般現(xiàn)在時來表達將來可知，此處應(yīng)該使用一般現(xiàn)在時；故選C．

點評 對于時態(tài)的題型要分析句子的具體語境，并且結(jié)合一些特殊句式來判斷具體的時態(tài)．

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