— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.—I can’t agree with you more.There ________ be errors for every single step.

We find ------interesting to learn history.

Lucy doesn’t mind _______ the dishes after dinner.

Those who failed to get into the art exhibition ________ disappointed as many of the artists who should have appeared did not come. 

—Could I please use your computer?—             .