-Do you know the boy________ is sitting next to Peter?
-Yes. He is Peter's friend. They are celebrating his ________ birthday.
| A．who; ninth | B．that; nineth | C．/; nineth | D．which; ninth |
We do not have enough money. ______, we cannot afford to buy the new car.
| A．However |
| B．Anyway |
| C．Therefore |
| D．Though |
He loves breathing fresh air in the suburbs and ______ in the morning sunshine.
| A．sit |
| B．sitting |
| C．sits |
| D．is sitting |
Though the man was badly hurt in the accident, he was still ______ and could think clearly.
| A．awake |
| B．aware |
| C．conscious |
| D．confused |
- Could you do me a favor?
- It depends on ______ it is.
| A．which |
| B．whichever |
| C．what |
| D．whatever |
Over the past decades, the sea ice ______ in the Arctic as a result of global warming.
| A．had decreased |
| B．decreased |
| C．has been decreasing |
| D．is decreasing |