— Did you go to the lecture by the visiting professor?
— No. I ______ it, but I've been busy taking care of my grandma in hospital these days.

If he had spent more time practising speaking English before，he________able to speak it much better now.                                                    (2013·天津，14)

If we________a table earlier，we wouldn’t be standing here in a queue.(2013·北京，34)

I should not have laughed if I________you were serious.               (2013·江苏，30)

I________to my cousin’s birthday party last night，but I was not available. (2013·安徽，28)

—We expected you yesterday.
—I’m sorry，I ________ you to say that I couldn’t be here until today.

—How dangerous it was!
—Yes，but for the passer­by’s quick action，the girl ________.

Don't be angry with us. We ________ with you together, but we were busy with our final reports when you called in.

Thanks to my teacher's valuable help, otherwise I ________ my college entrance exam.

The project was carefully planned, or a great deal of money ________.