-- _____is that used for?---_____ the floor.
When I was a child,I________watch TV whenever I wanted to.
It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
—Why are your eyes so red? You________have slept well last night.—Yeah,I stayed up late writing a report.
Harry is feeling uncomfortable.He ________too much at the party last night.
I ________ myself more-it was a perfect day.