Nobody teaches me English. I learn it all by______.

Miss Smith never wastes money on anything too expensive, even though she can ________ to. – Yes, she does. She has given much of her money to charities.

Don’t copy others’ work. If you do it by, you’ll feel much better.

A ruler is 2 dollars and a pen is 5 dollars. How much are they? -They are

Wang Mei her mother because she is beautiful and intelligent.[ ]