Gấp ạ mọi người giúp mình với Combine each pair of sentences , using the correct coordinating conjunctions.

=>

3. The props of a cheo play are simple, so there is a close interchange between the performers and the spectators.

-> so: vì vậy, vậy nên

4. On the stage of Tuong, the scene may be the officials at the royal court or two generals with some soldiers fighting in battle.

-> or: hoặc, hay là

5. Trong Hieu, the champion of Vietnam Idol 2015 tried his luck at the 2008 Eurovision Song Contest, but he didn't succeed.

-> but: nhưng