--- Hi, Tracy, you look tired.
--- I’m very tired. I ____ the living room all day.

Two years has passed since I ______you the first time．

---It was Sunday today, and I _______ up very early.
---So you really had a good rest.

By the time he arrived in Beijing, we _______ there for two days.

A library with five thousand books ____________ to the nation as a gift.

Have you nearly finished? Time_______.

— I’m really glad to see you back.. ______ your trip to the valley interesting?
— No. it ______ very heavily there the whole time.

Villagers          of the danger soon after the big earthquake in Japan，or more people would have lost their lives in the tsunami．

Who would you rather _____ with you tomorrow morning?

Though iPhone 4 is such a hit product, I won’t buy one unless its after service ______.