69．目前，我们的宇宙飞船太慢了，无法运送大批的人去火星。

At present，our spacecraft ____________ to Mars．

68．越来越多的人开始意识到食品安全对人的健康有多么重要。

____________ people begin to realize ____________ the food sanitary is to health．

67．大量的作业几乎将我逼疯了，我简直不知道如何对付。

Too much homework nearly ____________ and I don't know ____________ it．

66．机器人做了所有的家务，结果，Mr. Jiang不再需要早起了。

The robot did all the housework __________，Mr. Jiang no longer needed __________ early．

55．Sue said she and Peter expect(期盼)to be m________ in August and share a wonderful，meaningful life together．

54．‘‘If I start talking about the e________ our friends gave，I won't stop talking．” Ken Pauly said．“We won't be able to win the match without them．”

53．Everybody hopes that her performance will be a great ________(成功)．

52．I am sorry I can't sing．But if you ________(坚持)on my singing，it'll be like driving a duck onto the perch．

51．There is no ________(怀疑、疑惑)that Dr．Sun Yat Sen is the greatest man that I've ever known in my whole life．