They became friends again that day. Until then they ______to each other for nearly two years.

--- What is your strongest memory of the bombing attack?--- If I ______ rightly, we were about to approach the finish line when a big bang struck my ears.

—By the way，have you moved into the new house?—Not yet．The walls ________．

------ Can I help you? -------- No, thank you. I __________ now.

If the weather had been better, we could have had a picnic. But it ____  all day.