Tìm lỗi sai và sửa lỗi

 1.The manager had his secretary prepared the report.

2. There are millions of stars in the space.

3. This is the worse meal I've ever eaten for the last 10 years.

Viết dạng đúng của từ trong ngoặc

1. Fish can't live in (pollute) water.

2. A complaint letter should be ended (polite)

3. He was the greatest (art) in our country.

Tìm lỗi sai và sửa lỗi

1.  The owner of the hotel gave us the warm welcome

2. The letter might send to the wrong address, so I haven't received it.

3. In those day, a man may be hanged for stealing a sheep

4. My father got his old car to wash because he was too busy

Hoàn chỉnh câu thứ hai sao cho không thay đổi nghĩa so với câu đã cho.

1. Nobody can do this test because it is very difficult.

=> Because of

2. Although she performed well, she didn’t receive good comments.

=> Despite

3. “ Do your grandparents still live in Nha Trang now?” said Nam to me.

=> Nam asked

4. My sister gave me a new pair of jeans on my sixteenth birthday.

=> I

Cho biểu thức A= \(\left(\dfrac{\sqrt{x}+2}{x+2\sqrt{x}+1}\dfrac{\sqrt{x}-2}{x-1}\right):\dfrac{\sqrt{x}}{\sqrt{x}+1}\) với x>0 và x\(\ne\)1. Rút gọn biểu thức A