I’d like to arrive 20 minutes early _____ I can havetime for a cup of tea.[ ]

I called you at 8 O’ clock yesterday evening, but nobody answered.— Sorry. I ______ the “ Moving China 2012” award on TV. I was so deeply moved that I missed your call.

His answer was _______, so no one could make out what he meant.

________5 :30 yesterday, they had finished the work.[ ]

______a teacher, John thinks that his duty is to help the students to become better learners.[ ]