I bought three books, but none of _______ is interesting.
I can’t say I’m the best. I have only ______ made more efforts than others.
--What do you think of his talk on Information Technology? --Oh, excellent. It’s worth ________.
Although the Eiffel Tower ______ to last for 20 years, it is still standing today.
He didn’t put the things ____ they belonged, for _____ he got his punishment.
When he was there, he ______ go to that coffee shop at the corner after work every day.