Look! Dave __________ on the phone.
—Why were you late for school? —Because my bike________on the half way.
The teacher________the office for a few minutes when we arrived.We didn’t meet him. A.have left B.had left C.had been away from
The boy________his mistake before his teacher told him.
They________about eight hundred English words by the end of last term.
There are a few miles to the top of the mountain.If we hold on,we will________.