( To support ) and ( help ) each other( is necessary ) for them both brfore and during the event.
分析:不定式,动名词等作主语时谓语动词用单数.
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下 英语同义句
下 英语同义句
It's necessary for them to support and help each other both before and during the event.(改为同义句)
------ ------ and ------ each other ------ ------- for them both brfore and during the event.
麻烦解释一下是用is还是are啦
It's necessary for them to support and help each other both before and during the event.(改为同义句)
------ ------ and ------ each other ------ ------- for them both brfore and during the event.
麻烦解释一下是用is还是are啦
英语人气:875 ℃时间:2020-02-06 05:29:03
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