Ex4: Fill in the blanks with although or however
1. They went on holiday .......... they didn't have much money
2. He left on time; .........., heavy traffic made him late
3. ...................... he's a good personal trainer, they don't like him very much
4. She felt extremely tired................. she went to bed early last night
5. They're still camping............. it's going to rain all week
6. Kha Ly speaks English well................. her first language is Vietnamese

V. Sắp xếp các từ sau theo đúng thứ tự để tạo thành câu hoàn chỉnh

1. always/ at nine o'clock/ out of the garage/ in the morning/ drive/ his/ his car.

2. a parking lot/ near the stores/ they/ find/ rarely
3. fly/ with parents/ to Florida/ sometimes/ me/ in the spring
4. late/ to/ her/ often/ to school/ in the winter
5. meet/ at the sports field/ they/ after dinner/ always/ their friends

Bài 1: Tính nhanh

a) B= ( -2)\(^2\) + ( -2)\(^3\) + ( -2)\(^4\) +..... (-2)\(^{100}\)

Bài 1: Cho hình vẽ

a) Kể tên các cập góc kề nhau ( khác góc bẹt )

b) Kể tên các cặp góc kề bù ( khác góc bẹt )

c) Kể tên các góc vuông 

d) Kể tên các cặp góc đối đỉnh ( khác góc bẹt )

Bài 1: Cho xOt=70°, vẽ tia Oy nằm trong xOt sao cho xOt =30°

a) Tính yOt

b) Vẽ ta Om là tia Ox. Tính mOt

c) Vẽ tia Oa nằm trong mOt sao cho mOa =55°. Tính a0y