IV. For each pair of sentences, put a tick (v) if both sentences mean the same thing. Put a cross (x) if
they have different meanings.
1. A. I can’t bear being tickled……………………….
B. I can’t bear to be tickled.
2. A. My boss went on saying that he was very proud of us. ……………………….
B. My boss went on to say that he was very proud of us.
3. A. Have you stopped having lunch yet?.............................
B. Have you stopped to have lunch yet?
4. A. Have you started working yet?...............................
B. Have you started to work yet?
5. A. They continued climbing the mountain……………………………
B. They continued to climb the mountain.
6. A. We all saw the reporter interviewing the witness……………………………..
B. We all saw the reporter interview the witness.
7. A. I hate being cheated by taxi drivers…………………………..
B. I hated to be cheated by taxi drivers.

A=1-2+$2^2$-$2^3$+$2^4$-....+$2^{2022}$

bản đồ chính trị thế giới thay đổi ntn sau khi chế độ xhcn sụp đổ
 

$\frac{1}{12}+\frac{1}{4}+\frac{2}{3}$

$\sqrt{2x-4}$

Trong 5p đầu 1người đi bộ đi được 480m , trong 10p sau người đó đi với vận tốc là 3,6km/h. Tính vận tốc trung bình trên cả hai đoạn đường đi và về của người đó