1.It is imperative_______________(你亲自去那里)。

2.Only in this way ____________________(我们能够准时到达目的地)。

3.To our surprise, he _________________(把所有钱花在建设这所医院上)。

4.Had electronic computers not been invented,_____________________(很多关于太空飞行的问题不能解决了)。

5.Instead of by force, he___________________(靠说服力赢得他们的支持)。

1.that you (should) be there in person

2.can we arrive at the destination on time

3.spent all his money on building this hospital

4.many problems of space flight could not have been solved

5.won their support by persuasion