问题描述：
改现在完成时
将下列各句写成现在完成时.
(1)The teacher wrote some new wrods on the blackboard.
(2)I finished my homework.
(3)They didn't have lunch.
(4)I washed my clothes.
(5)I didn't do my homework.
将下列各句写成现在完成时.
(1)The teacher wrote some new wrods on the blackboard.
(2)I finished my homework.
(3)They didn't have lunch.
(4)I washed my clothes.
(5)I didn't do my homework.
问题解答：
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