It's no longer a question now _____ man can land on the moon

It's no longer a question now _____ man can land on the moon It's no longer a question now that man can land on moon It is no longer a question now ( )man can land on the moon.A it is no longer a question now () man can land on the moon. It's no longer a question _____ man can go to the moon. It's no longger a question now _____man can land on the moon it is for the man who can land on the moon A how wonderful B It was still a question _____ man can go to the moon. 英语语法It is no longer a question _________ we can fly to the m a woman is no sooner a man's than the man is no longer hers It is no longer a question[ ] you can dress yourself为什么不能添wh the question is --- to land on the grassland A.if it is safe