➜The scientists in the world are taking research on AIDS.

Bạn cần học cách xác định loại từ cần điền nhé, chứ k bao giờ ngta điền today vào chỗ đó đâu !

Tick nhé

➩Today , the scientists in the world (do) are doing research on Aids.

Tick nhesss

=> Didn't understand

Tick nhessss

có gì sai mong bạn bỏ qua

day be=32,5                              day lon=37,5

Tuổi ông gấp tuổi cháu 12 lần.

Vậy tuổi ông là:

     65 : (12+1) *12=60(tuổi)

Tuổi cháu là ;

     65-5=60(tuổi)

Câu cuối phải là appeared ms đúng nhé. Mk viết thiếu. Sorry !

= 2*(1/1 - 1/2 + 1/2 - ...... - 1/100)  + 1/50

= 2*(1 - 1/100) + 1/50

= 2*99/100 + 1/50

= 99/50 + 1/50 = 2

Give the correct forms of the verbs in the brackets
1. We (break) broke with tradition by travelling to China at Tet last year.
2. (Worship)Worshiping ancestors is one of the core traditions of Vietnamese people.
3. While I (watch)was watching the performance, I met one of my friends.
4. He was wearing shorts, so he (allow) wasn't allowed to go in to the temple.
5. The girl was crying when a fairy (appear)appear.

Tick nhé =))