In the last decade, disasters have become increasingly common. It’s high time that we ______these issues more seriously.
| A．took | B．have taken | C．had taken | D．are taking |
—Is there anything else to discuss?
—_____, I guess.
| A．Not at all |
| B．No, that’s all |
| C．Yes, I’m sure |
| D．Yes, of course |
I woke up with _____ bad headache, yet by _____ evening the pain had gone.
| A．the; the |
| B．the; an |
| C．a; the |
| D．a; an |
_____ students required to take part in the boat race.
| A．Ten strong young Chinese |
| B．Ten Chinese strong young |
| C．Chinese ten young strong |
| D．Young strong ten Chinese |
—I am going to the post office.
—_____ you’re there, can you get me some stamps?
| A．As |
| B．While |
| C．Because |
| D．If |
She thought I was talking about her daughter, _____ in fact, I was talking about my daughter.
| A．when |
| B．where |
| C．which |
| D．while |