—Has William finished writing his graduation paper yet?
—I don’t know exactly，but he __________all day.
| A．is writing | B．has been writing |
| C．was writing | D．wrote |
The teacher stressed again that the students should not ________ any important details while retelling the story.
| A．bring out | B．let out | C．leave out | D．make out |
The living room is clean and tidy, with a dinning table already ________ for a meal to be cooked.
| A．laid | B．laying | C．to lay | D．being laid |
Doctor have said that as many as 50% of patients don’t take medicine _______.
| A．like directed | B．to be directed |
| C．as directed | D．so that directed |
In April last year, thousands of holiday-makers in Europe remained ___________ abroad due to the volcanic ash cloud.
| A．sticking | B．stuck | C．to be stuck | D．to have stuck |
The purpose of the research had a more important meaning for them than_______.
| A．ours | B．those of ours | C．it had for ours | D．it did for us |