Excuse me. I _________ I was blocking(挡) your way.
A.didn't realize | B.don't realize | C.haven't realized | D.wasn't realizing |
Though the key was pressed, nothing ______ on the screen.
A.appeared | B.was appeared | C.appears | D.is appeared |
---You never have sweet snacks, do you?
---________. Though I know they’re bad for our health.
A.Yes | B.No | C.Yes, I don’t | D.No, I do |
He was often seen _________ with charity work last year.
A.to help | B.helped | C.helping | D.help |
Please don't stand up in class until you.
A.were told to | B.are told to | C.were told | D.are told |