Our planet is about ______ years old.
| A．35,000 | B．4600 | C．4600 million | D．500 million |
---What do you often do _______ classes to relax yourself?
---Listen to music.
| A．over | B．among | C．between | D．through |
About ________ of the workers in the factory were born in the ___________.
| A．two-thirds;1970 | B．two-thirds;1970s |
| C．two-third; 1970 | D．two-third;1970s |
--- Mum, have you seen my mobile phone?
---_______you bought last week? I’m sorry I haven’t seen _______.
| A．One ; it | B．One ; one | C．The one ; it | D．The one ; one |
In the United States, Father’s Day falls on ______ third Sunday in _____ June.
| A．the; / | B． the; a | C．/;the | D．a; / |
________ people lost their lives in the earthquake.
| A．Hundred | B．3 Hundreds | C．Hundred of | D．Hundreds of |