--- _______ do you water the flowers?
--- Once a week. These flowers don’t need much water.
| A．How much | B．How long |
| C．How often | D．How soon |
— I’m sorry you have missed the bus. It _____ five minutes ago.
— What a pity!
| A．was leaving | B．has left | C．left | D．leaves |
Thanks _____ the Great Green Wall, the land produces more crops.
| A．by | B．of | C．for | D．to |
— Could you tell me how to get to Xuzhou Railway Station, please? — ______.
| A．No, I couldn’t | B．Don’t ask me |
| C．Thank you all the same | D．Certainly. You can take the No. 1 bus |
Which do you like _____, apples or oranges?
| A．best | B．good | C．well | D．better |
English is interesting, _____ I didn’t like it at first.
| A．and | B．so | C．but | D．or |