In summer,the days get _longer (long)and the nights get shorter.
The poor children got back to school without (with)the help of the kind people.
In summer,the days get _longer (long)and the nights get shorter.
The poor children got back to school without (with)the help of the kind people.
longer 和后边的shorter 并列
without
preparing(busy in doing sth ,省去了介词in)
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