Mary is _____three sisters.
By the time he realizes he ____into a trap, it’ll be too late for him to do anything about it.
The wet weather will continue tomorrow, when a cold front ______ to arrive.
By the time he realizes he ____ into a trap, it’ll be too late for him to do anything about it.
--- I’m sure Andrew will win the first prize in the final. --- I think so. He ___________ for it for months.
–What’s that noise? –Oh, I forgot to tell you. The new machine ______.