Pelin
Which one is OK?
Don't open it until I get back.
Don't open it by the time I get back.
2022年12月10日 16:15
解答 · 4
受邀老師
Yes the 1st phrase is the best!
2022年12月11日
The first one is fine.
The second one doesn't work. BY THE TIME somehow only works with a positive, or a request to do something (not a request NOT to do something).
Finish your homeword by the time I get back.
If you don't finish your homework by the time I get back, you can't watch TV.
BUT:
Don't eat dinner by the time I get back. doesn't really make sense.
2022年12月11日
The first one is more natural and correct.
2022年12月10日
Mainly the first one.
The second one is subject to the situation.
2022年12月10日
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