Having been ill bed for nearly a month, he had a hard time ________ the exam.

[　　]

The news reporters hurried to airport, only ________ the film stars had left.

[　　]

________ two exams to worry about, I have to work really hard this weekend.

[　　]

The research is so designed that once ________ nothing can be done to change it.

[　　]

Now that she is out of a job, Lucy ________ going back to school, but she hasn't decided yet.

[　　]

The Foreign Minister said, “________ our hope that the two sides will work towards peace.”

[　　]

My advisor encouraged ________ a summer course to improve my writing skills.

[　　]

－What's that terrible noise?

－The neighbors ________ for a party.

[　　]

I invited Joe and Linda to dinner, but ________ of them came.

[　　]

Rather than ________ on a crowded bus, he would like a bicycle.

[　　]