The chief foods eaten in any country depend largely on ______ best in its climate and soil.

A. what grows 

B. it grows 

C. does it grow 

D. what does it grow

Ms. Brook and Ms. Barack are talking about Ms. Barack’s son.

Ms. Book: “_______.”

Ms. Barack: “Thank you. We are proud of him.”

A. Your child is just adorable!

B. Can we ask your child to take a photo?

C. Your kid is naughty.

D. I can give your kid a lift to school.

It’s a serious operation for a man as old as my grandfather. He is very frail. I hope he______.

A. gets away

B. comes round

C. pulls through

D. stands up

Vẽ hai góc kề bù x O y ^  và x O z ^ , biết  x O y ^ = 130 0 .

a) Oy có nằm giữa hai tia Ox và Oz không?

b) Tính số đo của y O z ^

c) Vẽ tia Om là tia phân giác của x O y ^ , On là tia phân giác của  y O z ^ . Chứng tỏ m O n ^  là góc vuông