When _______how a statue from distant Greece could have appeared in China, researchers explained that no doubt this was a result of Alexander the Great’s influence.

It was announced that only when the fire was under control ________to return to their homes.

—Do you have any idea what your former boss would say about you? —I don't know，________.

Never before _______ the famous ancient garden was just a stone’s throw away from the hotel, so out _______.

I’m hoping that John will let us have the car tonight; __________, I’m afraid we won’t be able to go out.     

Off         without so much as a goodbye.

Never in my life        such horrible food.

The students often finish their work        .

On the small island，which is at the entrance to New York Harbor,    ．

Jerry has promised to keep the secret, so he won’t tell anyone even though      .

— It is hot today, isn’t it?  — Yes. _______ yesterday.

— 2013 was a successful year for us China.— ___________, and ________.

Only when I left home to go to college ___ how much my mother had done for me.

(2012·天津卷)Only after Mary read her composition the second time________ the spelling mistake.

_______ for the doctor’s careful treatment, he _______ till last year.

________you were coming，I would have stayed at home.

This street is very crowded at this time of day.You have to be very cautious while ______.

—What do you think of the girl?—Not only ________ well but also ________ modest.

____ he met with the difficulty did he realize that our help was of great importance

 ----What’s the matter with Della? ---- Well, her parents wouldn’t allow her to go to the party, but she still ____.