题目内容
13.-Peter,could you come and help me in the kitchen,please?-Sorry,Mum.I ________ Gina with her science.( )
| A. | help | B. | am helping | C. | helped | D. | have helped |
分析 --Peter,你来厨房帮我好吗?
--对不起,妈妈.我正帮Gina学科学.
解答 答案:B.A 一般现在时,B 现在进行时,C 一般过去时 D现在完成时.根据"Peter,could you come and help me in the kitchen,please"可知妈妈要Peter现在就去,而根据"Sorry"可知Peter现在不能去,妈妈请求帮忙的这个时间点他正帮Gina,所以要用现在进行时,故选B.
点评 本题考查的是现在进行时,根据语境判断时态,掌握不同时态的构成.
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