She looks sad. Could you please tell me ____ that prevents her from being as happy as before?
| A．what it is | B．it is what | C．how it is | D．it is how |
— Have you heard about a big fire in the paper factory?
— There’s nothing in the newspaper about it.
| A．Of course. | B．Who cares? |
| C．Thank goodness. | D．Are you sure? |
________ in a red coat，she stood out in all the students.
| A．Dress | B．Dressed | C．Dressing | D．To dress |
The plane crashed，________ all 200 people aboard.
| A．killed | B．having killed |
| C．killing | D．had killed |
A few days after the interview，I received a letter ________me the job.
| A．offered | B．offering |
| C．to be offering | D．having offered |
________ themselves awake they sat on the floor and told each other stories.
| A．Keep | B．Keeping |
| C．To keep | D．To have kept |