These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China’s nuclear, missile and so on. [ ]

So sudden _____ that the enemy had no time to escape.

How do you western people celebrate ________— They usually make special pumpkin lanterns.

I’m _______ in places of ______ in Beijing

Mr Baker is always making _____comments instead ofstraightforward yes-or-no replies.