We feel _______ our duty to make our school a better place.

—Is this film interesting?—Yes, but I am sure it won't interest________.

The most energetic and important festivals are _____that look forward to the end of winter and to the coming of spring.l

However difficult you find         to arrange your time, it will pay off in the long run.

 The fact that she can't talk makes      ________  difficult for her to communicate with her new classmates.