We should protect the earth because it’s home to _______animals .
| A．million | B．millions |
| C．million of | D．millions of |
Mary ____ her mother; she has big eyes and red hair, too.
| A．looks after | B．looks for | C．takes up | D．takes after |
What happened _______ you?
| A．on | B． to | C．of | D．for |
Can you tell me ________ at that time?
| A．what were they doing | B．what they were doing |
| C．what are they doing | D．what they are doing |
The old woman lives_________, but she doesn’t feel__________.
| A．alone, alone | B．lonely, lonely | C．lonely, alone | D．alone, lonely |
---When shall I call you, morning or afternoon?
---________ is OK. I will be free all day.
| A．Both | B．Any | C．Either | D．Neither |