I was kept for half an hour by the bank manager

Has this word been spelt wrongly by him?

He will be seen off at the airport by all his friends

Beer used to be drunk for breakfast in England years ago

The letter might have been sent to the wrong address

The floor was being cleaned when I arrived

The hole is being dug on the wrong side of the road

Your money is going to be stolen if you're not careful

Have you ever been asked for your opinion?

I'm not impressed by Alan's knowledge

How are candles made?

Tea can't be made with cold water

When are the results of the contest going to be announced?

The police weren't informed that there had been a mistake

Ủa bạn ơi bạn ko gửi bài thì sao giúp đc

cần gấp gì??

 Khi cắt tủy sống ѵà kích thích vết cắt thì thấy chi trước không co ѵà chi sau đều bị co vì giữa các căn cứ có đường liên hệ dọc nên chi dưới bị kích thích ѵà co lên

\(\left(-3\right)^2+\sqrt{16}-3-\dfrac{\sqrt{81}}{\left|-3\right|}\\ =9+4-3-3\\ =7\)

c: \(\left(-3\right)^2+\sqrt{16}-3-\dfrac{\sqrt{81}}{\left|-3\right|}\)

\(=9+4-3-\dfrac{9}{3}\)

\(=10-3=7\)