He has won the first prize, ________ has been expected for years.

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I, ________ your good friend, will help out.

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They talked about the persons and things ________ they remembered in the school.

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________ book is helpful and worth reading.

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I'll never forget my first earthquake. First I heard a noise, which ________ a train going under my house.

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If you go shopping along with me, I'll treat you ________ an ice-cream.

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At the street corner, the man who was seen carrying a bag, a box, or ________, was stopped by the police.

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－What is happening over there?

－Several people seem ________ there.

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He ________ the door, but it wasn't opened. I asked him ________ it once again.

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A．tried to open; to try opening

B．tried opening; to try open

C．tried to open; trying to open

D．tried opening; trying opening

He told us ________ story that we all forgot about the time.

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