13. The friends ... Just ... a new film. a)saw b) have seen c) sce
14. The boys ... already ... football.
a) are playing b) have played c) will play
15. The children ... in the cinema yesterday. a)Were b) will be sig
16. ... she want to be a teacher?
al Docs b) Are c .​

13. The correct answer is "a) saw". This is the past tense form of the verb "see", which is used when talking about a completed action in the past. In this case, it means that the friends watched a new film at some point in the past.

14. The correct answer is "b) have played". This is the present perfect tense form of the verb "play", which is used when talking about an action that started in the past and is still ongoing or has just been completed. In this case, it means that the boys have already played football and may still be playing or have just finished playing.

15. The correct answer is "a) were". This is the past tense form of the verb "be", which is used when talking about a state or condition in the past. In this case, it means that the children were at the cinema yesterday.

16. The correct answer is "b) Are". This is the simple present tense form of the verb "be", which is used when talking about a general truth or a recurring action. In this case, it means that the question is asking if she wants to be a teacher in general.

I hope this explanation helps you understand the answers to the questions! If you have any further questions, feel free to ask.