It was ______ he said ______ disappointed me.
I________ an important conference at 10 o’clock this Sunday morning.
Would you please help me move the piano?________
Mike ________at 8:30 for the meeting, but he didn’t turn up.
You’d better not play ________trick on Jack; it’s said hat he is deeply in ________debt.
A high-tech exhibition ________in the National Museum now. Let’s go and visit it.