Translate the following sentences and tell what tense is used in each sentence.

1. 他总是设法独自做每一件事。

   He always manages to do everything by himself.   (时态：一般现在时)

2. 宇航员们目前为下一次飞行做准备。

   The astronauts are preparing for the next flight at present. 

 (时态：现在进行时)

3. 在返回地球的途中，宇宙飞船开始旋转，失去了控制。

   On their way back to the Earth, the spacecraft began spinning out of control

.   (时态：一般过去时)

4. 那一刻，全世界都在等待着向他们问候。

  At that moment, the whole world was waiting to greet them. (时态：过去进行时)

5. 在太空中，阿姆斯特朗接到缩短航程的命令。

   In space, Armstrong received the order to cut the flight short.  

(时态：一般过去时)

6. 因为他的出色表现，迄今他已经被授予了五个奖项。

 Because of his excellent service, he has been presented five awards so far.   (时态：现在完成时)