What’s the matter with you—______.

How long ____ you ____ in Singapore—For just the weekend. I’ll be back next Monday morning．

My brother likes eating very much but he isn’t very _____ about the food he eats.

universally believed that a student with an extremely ________ mind usually gets high scores in the exams, especially in the physics exam.

There ____ a table, four chairs, three bikes in the courtyard, in the middle of which ____ two tall trees with great shade.