—Why! Where's my passport? Maybe I left it on the plane. --My Goodness! You ____________ things behind.
The questions the reporter asked sometimes were ______ and they made me _______.
— I went to see a film yesterday. — Oh, did you? ______.
What great changes! It’s years since I ____ Chengdu last time.
Research shows that people feel unhappy and worried when they have nothing to do . _______, the happiest are those who are busy.
The first time you talk to a stranger, you should try to ______ him about the personal affairs.