(2013·高考北京卷)If we________a table earlier，we couldn’t be standing here in a queue.

—Many people in England love to give advice on weather reporting.—Yes, but I think the weather office’s computers _____ be more accurate.

I        to my cousin’s birthday party last night, but I was not available

 —Why didn’t you put your cellphone in your overcoat pocket?—I _____, but I was afraid it would be stolen.

If he had started at nine o’clock,he       have been in London by eleven o’clock.