Post Your Answer
Ans 1:
Class : Class 8 
                                                                                                    
                                                                                                    Both B and D are correct, but I feel that B is more appropriate, because we do not know aliens. and we don't know strangers
                                                                                                
                                                                                                Ans 2:
Class : Class 7 
                                                                                                    
                                                                                                    Why shouldn't it be D? I feel like both B and D could be correct though would B maybe be more appropriate?
                                                                                                
                                                                                                Ans 7:
Class : Class 7 
                                                                                                    
                                                                                                    I feel that both the options B and D are correct although I am not sure which one is more appropriate
                                                                                                
                                                                                                