at once and造句
31. If you feel confident in you defense, you can release several waves at once and this will win you more bonus points for sacrificing your unused time.
32. He must leave Harmony Yard at once and break with them completely.
33. This enables the system to send requests about a number of packages all at once and check the response at a later time one by one.
34. And she went to her desk at once and hung the black turban hat with the gold-green macaw wing in its accustomed place.
35. They responded at once and rose as one man in defense of their motherland.
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