The answer to your question should be A. The octopus stopped water from flowing out of the tank. I hope this is right.
I would definitely say B.) A smile because if you were just staring it may be rude or distracting to the speaker and a smile shows you are listening and absorbing the knowledge
I would say the third one but i am not so sure about it
Answer:
1
Explanation:
Although nr. 2 and 3 are considered to be good reasons too, the first reason is the only one that really matters, due to the importance of improving work and study opportunities in a society where only high qualified - and fluent in English - persons count. 4 is interesting from a social point of view but won´t help the individual much in his/her future career.
