我认为你每天早晨都读英语是有用的。
我认为尽可能经常地说英语是最有用的。
I think it most useful to speak English as often as possible.
我认为我们学英语是有必要的,因为它非常有用。
I think it necessary for us to learn English because it's very useful.
我认为我们学英语是有必要的,因为它非常有用。
I think it necessary for us to learn English because it's very useful.
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