________ the alien was in the museum, I called the TV station.
| A．Because | B．Then | C．As soon as | D．While |
Sitting down after a walk is relaxing . But do you dare to sit on a seat________ tells you your weight?
| A．whom | B．/ | C．who | D．that |
— ______people travel every year?
— Perhaps when we are talking about it. More than 100 planes have taken off around the world.
| A．How many | B．How much | C．How long | D．How often |
Thanks to the robots, the human reporters do not have to spend a lot of time ________ boring numbers and information.
| A．processing | B．to process |
| C．processed | D．process |
Teenagers should ________ to take care of themselves from a young age.
| A．educate | B．be educating |
| C．have educated | D．be educated |
What happens when you hear a strange noise at night .or find a big spider in the corner of your bedroom ? It often makes us ________.
| A．jump | B．to jump | C．jumping | D．jumped |